Home / 72,027.01-99,397.56-40,197.25

Finding the Fourth Proportional to 72,027.01, 99,397.56 and 40,197.25

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Solution

The fourth proportional to 72,027.01, 99,397.56 and 40,197.25 is: 55,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,027.01 : 99,397.56 = 40,197.25 : x
  2. Step 2: Convert to fraction form
    72,027.01/99,397.56 = 40,197.25/x
  3. Step 3: Cross multiply
    72,027.01x = 99,397.56 × 40,197.25
  4. Step 4: Simplify right side
    72,027.01x = 3,995,508,568.71
  5. Step 5: Solve for x
    x = 3,995,508,568.71/72,027.01
  6. Step 6: Final answer
    x = 55,472.36

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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.