Home / 123,913.68-185,766.08-53,740.16

Finding the Fourth Proportional to 123,913.68, 185,766.08 and 53,740.16

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Solution

The fourth proportional to 123,913.68, 185,766.08 and 53,740.16 is: 80,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,913.68 : 185,766.08 = 53,740.16 : x
  2. Step 2: Convert to fraction form
    123,913.68/185,766.08 = 53,740.16/x
  3. Step 3: Cross multiply
    123,913.68x = 185,766.08 × 53,740.16
  4. Step 4: Simplify right side
    123,913.68x = 9,983,098,861.77
  5. Step 5: Solve for x
    x = 9,983,098,861.77/123,913.68
  6. Step 6: Final answer
    x = 80,564.95

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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.