Home / 52,166.40-78,249.60-49,891.20

Finding the Fourth Proportional to 52,166.40, 78,249.60 and 49,891.20

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Solution

The fourth proportional to 52,166.40, 78,249.60 and 49,891.20 is: 74,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,166.40 : 78,249.60 = 49,891.20 : x
  2. Step 2: Convert to fraction form
    52,166.40/78,249.60 = 49,891.20/x
  3. Step 3: Cross multiply
    52,166.40x = 78,249.60 × 49,891.20
  4. Step 4: Simplify right side
    52,166.40x = 3,903,966,443.52
  5. Step 5: Solve for x
    x = 3,903,966,443.52/52,166.40
  6. Step 6: Final answer
    x = 74,836.80

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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.