Home / 48,115.62-72,148.79-25,639.11

Finding the Fourth Proportional to 48,115.62, 72,148.79 and 25,639.11

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Solution

The fourth proportional to 48,115.62, 72,148.79 and 25,639.11 is: 38,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.62 : 72,148.79 = 25,639.11 : x
  2. Step 2: Convert to fraction form
    48,115.62/72,148.79 = 25,639.11/x
  3. Step 3: Cross multiply
    48,115.62x = 72,148.79 × 25,639.11
  4. Step 4: Simplify right side
    48,115.62x = 1,849,830,412.50
  5. Step 5: Solve for x
    x = 1,849,830,412.50/48,115.62
  6. Step 6: Final answer
    x = 38,445.53

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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.