Home / 124,553.40-186,830.10-61,385.55

Finding the Fourth Proportional to 124,553.40, 186,830.10 and 61,385.55

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Solution

The fourth proportional to 124,553.40, 186,830.10 and 61,385.55 is: 92,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.40 : 186,830.10 = 61,385.55 : x
  2. Step 2: Convert to fraction form
    124,553.40/186,830.10 = 61,385.55/x
  3. Step 3: Cross multiply
    124,553.40x = 186,830.10 × 61,385.55
  4. Step 4: Simplify right side
    124,553.40x = 11,468,668,445.06
  5. Step 5: Solve for x
    x = 11,468,668,445.06/124,553.40
  6. Step 6: Final answer
    x = 92,078.33

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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.