Home / 83,751.12-125,609.97-41,038.20

Finding the Fourth Proportional to 83,751.12, 125,609.97 and 41,038.20

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Solution

The fourth proportional to 83,751.12, 125,609.97 and 41,038.20 is: 61,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,751.12 : 125,609.97 = 41,038.20 : x
  2. Step 2: Convert to fraction form
    83,751.12/125,609.97 = 41,038.20/x
  3. Step 3: Cross multiply
    83,751.12x = 125,609.97 × 41,038.20
  4. Step 4: Simplify right side
    83,751.12x = 5,154,807,070.85
  5. Step 5: Solve for x
    x = 5,154,807,070.85/83,751.12
  6. Step 6: Final answer
    x = 61,549.11

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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.