Home / 48,125.73-72,140.14-20,061.33

Finding the Fourth Proportional to 48,125.73, 72,140.14 and 20,061.33

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Solution

The fourth proportional to 48,125.73, 72,140.14 and 20,061.33 is: 30,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,125.73 : 72,140.14 = 20,061.33 : x
  2. Step 2: Convert to fraction form
    48,125.73/72,140.14 = 20,061.33/x
  3. Step 3: Cross multiply
    48,125.73x = 72,140.14 × 20,061.33
  4. Step 4: Simplify right side
    48,125.73x = 1,447,226,743.93
  5. Step 5: Solve for x
    x = 1,447,226,743.93/48,125.73
  6. Step 6: Final answer
    x = 30,071.79

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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.