Home / 83,158.14-124,733.16-30,564.30

Finding the Fourth Proportional to 83,158.14, 124,733.16 and 30,564.30

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Solution

The fourth proportional to 83,158.14, 124,733.16 and 30,564.30 is: 45,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,158.14 : 124,733.16 = 30,564.30 : x
  2. Step 2: Convert to fraction form
    83,158.14/124,733.16 = 30,564.30/x
  3. Step 3: Cross multiply
    83,158.14x = 124,733.16 × 30,564.30
  4. Step 4: Simplify right side
    83,158.14x = 3,812,381,722.19
  5. Step 5: Solve for x
    x = 3,812,381,722.19/83,158.14
  6. Step 6: Final answer
    x = 45,844.96

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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.