Home / 123,785.50-185,638.18-39,525.92

Finding the Fourth Proportional to 123,785.50, 185,638.18 and 39,525.92

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Solution

The fourth proportional to 123,785.50, 185,638.18 and 39,525.92 is: 59,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,785.50 : 185,638.18 = 39,525.92 : x
  2. Step 2: Convert to fraction form
    123,785.50/185,638.18 = 39,525.92/x
  3. Step 3: Cross multiply
    123,785.50x = 185,638.18 × 39,525.92
  4. Step 4: Simplify right side
    123,785.50x = 7,337,520,545.29
  5. Step 5: Solve for x
    x = 7,337,520,545.29/123,785.50
  6. Step 6: Final answer
    x = 59,276.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.