Home / 48,100.89-72,172.10-25,909.83

Finding the Fourth Proportional to 48,100.89, 72,172.10 and 25,909.83

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Solution

The fourth proportional to 48,100.89, 72,172.10 and 25,909.83 is: 38,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,100.89 : 72,172.10 = 25,909.83 : x
  2. Step 2: Convert to fraction form
    48,100.89/72,172.10 = 25,909.83/x
  3. Step 3: Cross multiply
    48,100.89x = 72,172.10 × 25,909.83
  4. Step 4: Simplify right side
    48,100.89x = 1,869,966,841.74
  5. Step 5: Solve for x
    x = 1,869,966,841.74/48,100.89
  6. Step 6: Final answer
    x = 38,875.93

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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.