Home / 70,749.66-97,629.19-38,920.62

Finding the Fourth Proportional to 70,749.66, 97,629.19 and 38,920.62

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Solution

The fourth proportional to 70,749.66, 97,629.19 and 38,920.62 is: 53,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,749.66 : 97,629.19 = 38,920.62 : x
  2. Step 2: Convert to fraction form
    70,749.66/97,629.19 = 38,920.62/x
  3. Step 3: Cross multiply
    70,749.66x = 97,629.19 × 38,920.62
  4. Step 4: Simplify right side
    70,749.66x = 3,799,788,604.90
  5. Step 5: Solve for x
    x = 3,799,788,604.90/70,749.66
  6. Step 6: Final answer
    x = 53,707.52

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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.