Home / 83,178.36-124,580.70-64,325.88

Finding the Fourth Proportional to 83,178.36, 124,580.70 and 64,325.88

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Solution

The fourth proportional to 83,178.36, 124,580.70 and 64,325.88 is: 96,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.36 : 124,580.70 = 64,325.88 : x
  2. Step 2: Convert to fraction form
    83,178.36/124,580.70 = 64,325.88/x
  3. Step 3: Cross multiply
    83,178.36x = 124,580.70 × 64,325.88
  4. Step 4: Simplify right side
    83,178.36x = 8,013,763,158.52
  5. Step 5: Solve for x
    x = 8,013,763,158.52/83,178.36
  6. Step 6: Final answer
    x = 96,344.33

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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.