Home / 83,720.46-125,580.66-36,964.02

Finding the Fourth Proportional to 83,720.46, 125,580.66 and 36,964.02

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Solution

The fourth proportional to 83,720.46, 125,580.66 and 36,964.02 is: 55,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,720.46 : 125,580.66 = 36,964.02 : x
  2. Step 2: Convert to fraction form
    83,720.46/125,580.66 = 36,964.02/x
  3. Step 3: Cross multiply
    83,720.46x = 125,580.66 × 36,964.02
  4. Step 4: Simplify right side
    83,720.46x = 4,641,966,027.85
  5. Step 5: Solve for x
    x = 4,641,966,027.85/83,720.46
  6. Step 6: Final answer
    x = 55,446.02

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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.