Home / 101,516.72-140,107.39-59,088.92

Finding the Fourth Proportional to 101,516.72, 140,107.39 and 59,088.92

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Solution

The fourth proportional to 101,516.72, 140,107.39 and 59,088.92 is: 81,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,516.72 : 140,107.39 = 59,088.92 : x
  2. Step 2: Convert to fraction form
    101,516.72/140,107.39 = 59,088.92/x
  3. Step 3: Cross multiply
    101,516.72x = 140,107.39 × 59,088.92
  4. Step 4: Simplify right side
    101,516.72x = 8,278,793,510.86
  5. Step 5: Solve for x
    x = 8,278,793,510.86/101,516.72
  6. Step 6: Final answer
    x = 81,551.04

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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.