Home / 125,964.89-173,818.68-77,559.14

Finding the Fourth Proportional to 125,964.89, 173,818.68 and 77,559.14

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Solution

The fourth proportional to 125,964.89, 173,818.68 and 77,559.14 is: 107,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,964.89 : 173,818.68 = 77,559.14 : x
  2. Step 2: Convert to fraction form
    125,964.89/173,818.68 = 77,559.14/x
  3. Step 3: Cross multiply
    125,964.89x = 173,818.68 × 77,559.14
  4. Step 4: Simplify right side
    125,964.89x = 13,481,227,336.74
  5. Step 5: Solve for x
    x = 13,481,227,336.74/125,964.89
  6. Step 6: Final answer
    x = 107,023.69

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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.