Home / 99,704.27-137,588.54-59,397.16

Finding the Fourth Proportional to 99,704.27, 137,588.54 and 59,397.16

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Solution

The fourth proportional to 99,704.27, 137,588.54 and 59,397.16 is: 81,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,704.27 : 137,588.54 = 59,397.16 : x
  2. Step 2: Convert to fraction form
    99,704.27/137,588.54 = 59,397.16/x
  3. Step 3: Cross multiply
    99,704.27x = 137,588.54 × 59,397.16
  4. Step 4: Simplify right side
    99,704.27x = 8,172,367,539.62
  5. Step 5: Solve for x
    x = 8,172,367,539.62/99,704.27
  6. Step 6: Final answer
    x = 81,966.07

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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.