Home / 70,580.21-97,400.85-38,751.16

Finding the Fourth Proportional to 70,580.21, 97,400.85 and 38,751.16

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Solution

The fourth proportional to 70,580.21, 97,400.85 and 38,751.16 is: 53,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.21 : 97,400.85 = 38,751.16 : x
  2. Step 2: Convert to fraction form
    70,580.21/97,400.85 = 38,751.16/x
  3. Step 3: Cross multiply
    70,580.21x = 97,400.85 × 38,751.16
  4. Step 4: Simplify right side
    70,580.21x = 3,774,396,043.26
  5. Step 5: Solve for x
    x = 3,774,396,043.26/70,580.21
  6. Step 6: Final answer
    x = 53,476.69

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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.