Home / 115,909.10-173,863.65-45,752.30

Finding the Fourth Proportional to 115,909.10, 173,863.65 and 45,752.30

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Solution

The fourth proportional to 115,909.10, 173,863.65 and 45,752.30 is: 68,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909.10 : 173,863.65 = 45,752.30 : x
  2. Step 2: Convert to fraction form
    115,909.10/173,863.65 = 45,752.30/x
  3. Step 3: Cross multiply
    115,909.10x = 173,863.65 × 45,752.30
  4. Step 4: Simplify right side
    115,909.10x = 7,954,661,873.90
  5. Step 5: Solve for x
    x = 7,954,661,873.90/115,909.10
  6. Step 6: Final answer
    x = 68,628.45

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Similar ratio
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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.