Home / 124,626.38-186,983.28-77,824.58

Finding the Fourth Proportional to 124,626.38, 186,983.28 and 77,824.58

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Solution

The fourth proportional to 124,626.38, 186,983.28 and 77,824.58 is: 116,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,626.38 : 186,983.28 = 77,824.58 : x
  2. Step 2: Convert to fraction form
    124,626.38/186,983.28 = 77,824.58/x
  3. Step 3: Cross multiply
    124,626.38x = 186,983.28 × 77,824.58
  4. Step 4: Simplify right side
    124,626.38x = 14,551,894,298.11
  5. Step 5: Solve for x
    x = 14,551,894,298.11/124,626.38
  6. Step 6: Final answer
    x = 116,764.16

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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.