Home / 70,320.25-97,041.92-38,489.14

Finding the Fourth Proportional to 70,320.25, 97,041.92 and 38,489.14

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Solution

The fourth proportional to 70,320.25, 97,041.92 and 38,489.14 is: 53,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.25 : 97,041.92 = 38,489.14 : x
  2. Step 2: Convert to fraction form
    70,320.25/97,041.92 = 38,489.14/x
  3. Step 3: Cross multiply
    70,320.25x = 97,041.92 × 38,489.14
  4. Step 4: Simplify right side
    70,320.25x = 3,735,059,973.61
  5. Step 5: Solve for x
    x = 3,735,059,973.61/70,320.25
  6. Step 6: Final answer
    x = 53,115.00

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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.