Home / 82,834.20-124,316.10-38,466.45

Finding the Fourth Proportional to 82,834.20, 124,316.10 and 38,466.45

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Solution

The fourth proportional to 82,834.20, 124,316.10 and 38,466.45 is: 57,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,834.20 : 124,316.10 = 38,466.45 : x
  2. Step 2: Convert to fraction form
    82,834.20/124,316.10 = 38,466.45/x
  3. Step 3: Cross multiply
    82,834.20x = 124,316.10 × 38,466.45
  4. Step 4: Simplify right side
    82,834.20x = 4,781,999,044.85
  5. Step 5: Solve for x
    x = 4,781,999,044.85/82,834.20
  6. Step 6: Final answer
    x = 57,729.77

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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.