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Finding the Fourth Proportional to 70,580.42, 97,396.60 and 38,749.12

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Solution

The fourth proportional to 70,580.42, 97,396.60 and 38,749.12 is: 53,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.42 : 97,396.60 = 38,749.12 : x
  2. Step 2: Convert to fraction form
    70,580.42/97,396.60 = 38,749.12/x
  3. Step 3: Cross multiply
    70,580.42x = 97,396.60 × 38,749.12
  4. Step 4: Simplify right side
    70,580.42x = 3,774,032,540.99
  5. Step 5: Solve for x
    x = 3,774,032,540.99/70,580.42
  6. Step 6: Final answer
    x = 53,471.38

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Find fourth proportional to 70,581.42, 97,397.98 and 38,750.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.