Home / 73,007.20-100,742.42-53,897.14

Finding the Fourth Proportional to 73,007.20, 100,742.42 and 53,897.14

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Solution

The fourth proportional to 73,007.20, 100,742.42 and 53,897.14 is: 74,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007.20 : 100,742.42 = 53,897.14 : x
  2. Step 2: Convert to fraction form
    73,007.20/100,742.42 = 53,897.14/x
  3. Step 3: Cross multiply
    73,007.20x = 100,742.42 × 53,897.14
  4. Step 4: Simplify right side
    73,007.20x = 5,429,727,541.48
  5. Step 5: Solve for x
    x = 5,429,727,541.48/73,007.20
  6. Step 6: Final answer
    x = 74,372.50

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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.