Home / 72,372.24-99,862.08-40,542.48

Finding the Fourth Proportional to 72,372.24, 99,862.08 and 40,542.48

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Solution

The fourth proportional to 72,372.24, 99,862.08 and 40,542.48 is: 55,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372.24 : 99,862.08 = 40,542.48 : x
  2. Step 2: Convert to fraction form
    72,372.24/99,862.08 = 40,542.48/x
  3. Step 3: Cross multiply
    72,372.24x = 99,862.08 × 40,542.48
  4. Step 4: Simplify right side
    72,372.24x = 4,048,656,381.16
  5. Step 5: Solve for x
    x = 4,048,656,381.16/72,372.24
  6. Step 6: Final answer
    x = 55,942.12

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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.