Home / 83,752.10-125,628.15-31,150.70

Finding the Fourth Proportional to 83,752.10, 125,628.15 and 31,150.70

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Solution

The fourth proportional to 83,752.10, 125,628.15 and 31,150.70 is: 46,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,752.10 : 125,628.15 = 31,150.70 : x
  2. Step 2: Convert to fraction form
    83,752.10/125,628.15 = 31,150.70/x
  3. Step 3: Cross multiply
    83,752.10x = 125,628.15 × 31,150.70
  4. Step 4: Simplify right side
    83,752.10x = 3,913,404,812.21
  5. Step 5: Solve for x
    x = 3,913,404,812.21/83,752.10
  6. Step 6: Final answer
    x = 46,726.05

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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.