Home / 72,337.28-99,809.26-43,661.61

Finding the Fourth Proportional to 72,337.28, 99,809.26 and 43,661.61

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Solution

The fourth proportional to 72,337.28, 99,809.26 and 43,661.61 is: 60,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.28 : 99,809.26 = 43,661.61 : x
  2. Step 2: Convert to fraction form
    72,337.28/99,809.26 = 43,661.61/x
  3. Step 3: Cross multiply
    72,337.28x = 99,809.26 × 43,661.61
  4. Step 4: Simplify right side
    72,337.28x = 4,357,832,875.35
  5. Step 5: Solve for x
    x = 4,357,832,875.35/72,337.28
  6. Step 6: Final answer
    x = 60,243.25

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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.