Home / 99,717.32-137,541.38-59,400.02

Finding the Fourth Proportional to 99,717.32, 137,541.38 and 59,400.02

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Solution

The fourth proportional to 99,717.32, 137,541.38 and 59,400.02 is: 81,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,717.32 : 137,541.38 = 59,400.02 : x
  2. Step 2: Convert to fraction form
    99,717.32/137,541.38 = 59,400.02/x
  3. Step 3: Cross multiply
    99,717.32x = 137,541.38 × 59,400.02
  4. Step 4: Simplify right side
    99,717.32x = 8,169,960,722.83
  5. Step 5: Solve for x
    x = 8,169,960,722.83/99,717.32
  6. Step 6: Final answer
    x = 81,931.21

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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.