Home / 83,668.10-125,417.91-36,912.74

Finding the Fourth Proportional to 83,668.10, 125,417.91 and 36,912.74

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Solution

The fourth proportional to 83,668.10, 125,417.91 and 36,912.74 is: 55,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,668.10 : 125,417.91 = 36,912.74 : x
  2. Step 2: Convert to fraction form
    83,668.10/125,417.91 = 36,912.74/x
  3. Step 3: Cross multiply
    83,668.10x = 125,417.91 × 36,912.74
  4. Step 4: Simplify right side
    83,668.10x = 4,629,518,703.17
  5. Step 5: Solve for x
    x = 4,629,518,703.17/83,668.10
  6. Step 6: Final answer
    x = 55,331.94

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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.