Home / 71,862.27-99,173.01-40,031.19

Finding the Fourth Proportional to 71,862.27, 99,173.01 and 40,031.19

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Solution

The fourth proportional to 71,862.27, 99,173.01 and 40,031.19 is: 55,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,862.27 : 99,173.01 = 40,031.19 : x
  2. Step 2: Convert to fraction form
    71,862.27/99,173.01 = 40,031.19/x
  3. Step 3: Cross multiply
    71,862.27x = 99,173.01 × 40,031.19
  4. Step 4: Simplify right side
    71,862.27x = 3,970,013,606.18
  5. Step 5: Solve for x
    x = 3,970,013,606.18/71,862.27
  6. Step 6: Final answer
    x = 55,244.76

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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.