Home / 83,520.64-125,263.96-30,917.62

Finding the Fourth Proportional to 83,520.64, 125,263.96 and 30,917.62

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Solution

The fourth proportional to 83,520.64, 125,263.96 and 30,917.62 is: 46,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,520.64 : 125,263.96 = 30,917.62 : x
  2. Step 2: Convert to fraction form
    83,520.64/125,263.96 = 30,917.62/x
  3. Step 3: Cross multiply
    83,520.64x = 125,263.96 × 30,917.62
  4. Step 4: Simplify right side
    83,520.64x = 3,872,863,514.98
  5. Step 5: Solve for x
    x = 3,872,863,514.98/83,520.64
  6. Step 6: Final answer
    x = 46,370.14

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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.