Home / 48,125.93-72,161.16-18,539.91

Finding the Fourth Proportional to 48,125.93, 72,161.16 and 18,539.91

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Solution

The fourth proportional to 48,125.93, 72,161.16 and 18,539.91 is: 27,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,125.93 : 72,161.16 = 18,539.91 : x
  2. Step 2: Convert to fraction form
    48,125.93/72,161.16 = 18,539.91/x
  3. Step 3: Cross multiply
    48,125.93x = 72,161.16 × 18,539.91
  4. Step 4: Simplify right side
    48,125.93x = 1,337,861,411.90
  5. Step 5: Solve for x
    x = 1,337,861,411.90/48,125.93
  6. Step 6: Final answer
    x = 27,799.18

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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.