Home / 72,497.04-99,988.20-59,899.92

Finding the Fourth Proportional to 72,497.04, 99,988.20 and 59,899.92

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Solution

The fourth proportional to 72,497.04, 99,988.20 and 59,899.92 is: 82,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497.04 : 99,988.20 = 59,899.92 : x
  2. Step 2: Convert to fraction form
    72,497.04/99,988.20 = 59,899.92/x
  3. Step 3: Cross multiply
    72,497.04x = 99,988.20 × 59,899.92
  4. Step 4: Simplify right side
    72,497.04x = 5,989,285,180.94
  5. Step 5: Solve for x
    x = 5,989,285,180.94/72,497.04
  6. Step 6: Final answer
    x = 82,614.20

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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.