Home / 83,779.01-125,498.78-38,736.35

Finding the Fourth Proportional to 83,779.01, 125,498.78 and 38,736.35

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Solution

The fourth proportional to 83,779.01, 125,498.78 and 38,736.35 is: 58,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,779.01 : 125,498.78 = 38,736.35 : x
  2. Step 2: Convert to fraction form
    83,779.01/125,498.78 = 38,736.35/x
  3. Step 3: Cross multiply
    83,779.01x = 125,498.78 × 38,736.35
  4. Step 4: Simplify right side
    83,779.01x = 4,861,364,472.97
  5. Step 5: Solve for x
    x = 4,861,364,472.97/83,779.01
  6. Step 6: Final answer
    x = 58,026.04

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1.5x scale

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.