Home / 78,548.11-108,388.14-44,545.70

Finding the Fourth Proportional to 78,548.11, 108,388.14 and 44,545.70

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Solution

The fourth proportional to 78,548.11, 108,388.14 and 44,545.70 is: 61,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,548.11 : 108,388.14 = 44,545.70 : x
  2. Step 2: Convert to fraction form
    78,548.11/108,388.14 = 44,545.70/x
  3. Step 3: Cross multiply
    78,548.11x = 108,388.14 × 44,545.70
  4. Step 4: Simplify right side
    78,548.11x = 4,828,225,568.00
  5. Step 5: Solve for x
    x = 4,828,225,568.00/78,548.11
  6. Step 6: Final answer
    x = 61,468.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.