Home / 72,360.52-99,857.70-40,531.24

Finding the Fourth Proportional to 72,360.52, 99,857.70 and 40,531.24

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Solution

The fourth proportional to 72,360.52, 99,857.70 and 40,531.24 is: 55,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,360.52 : 99,857.70 = 40,531.24 : x
  2. Step 2: Convert to fraction form
    72,360.52/99,857.70 = 40,531.24/x
  3. Step 3: Cross multiply
    72,360.52x = 99,857.70 × 40,531.24
  4. Step 4: Simplify right side
    72,360.52x = 4,047,356,404.55
  5. Step 5: Solve for x
    x = 4,047,356,404.55/72,360.52
  6. Step 6: Final answer
    x = 55,933.21

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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.