Home / 52,129.61-78,194.72-14,689.99

Finding the Fourth Proportional to 52,129.61, 78,194.72 and 14,689.99

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Solution

The fourth proportional to 52,129.61, 78,194.72 and 14,689.99 is: 22,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.61 : 78,194.72 = 14,689.99 : x
  2. Step 2: Convert to fraction form
    52,129.61/78,194.72 = 14,689.99/x
  3. Step 3: Cross multiply
    52,129.61x = 78,194.72 × 14,689.99
  4. Step 4: Simplify right side
    52,129.61x = 1,148,679,654.85
  5. Step 5: Solve for x
    x = 1,148,679,654.85/52,129.61
  6. Step 6: Final answer
    x = 22,035.07

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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.