Home / 72,236.16-99,677.52-40,404.24

Finding the Fourth Proportional to 72,236.16, 99,677.52 and 40,404.24

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Solution

The fourth proportional to 72,236.16, 99,677.52 and 40,404.24 is: 55,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,236.16 : 99,677.52 = 40,404.24 : x
  2. Step 2: Convert to fraction form
    72,236.16/99,677.52 = 40,404.24/x
  3. Step 3: Cross multiply
    72,236.16x = 99,677.52 × 40,404.24
  4. Step 4: Simplify right side
    72,236.16x = 4,027,394,440.68
  5. Step 5: Solve for x
    x = 4,027,394,440.68/72,236.16
  6. Step 6: Final answer
    x = 55,753.16

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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.