Home / 83,726.44-126,084.89-60,515.08

Finding the Fourth Proportional to 83,726.44, 126,084.89 and 60,515.08

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Solution

The fourth proportional to 83,726.44, 126,084.89 and 60,515.08 is: 91,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,726.44 : 126,084.89 = 60,515.08 : x
  2. Step 2: Convert to fraction form
    83,726.44/126,084.89 = 60,515.08/x
  3. Step 3: Cross multiply
    83,726.44x = 126,084.89 × 60,515.08
  4. Step 4: Simplify right side
    83,726.44x = 7,630,037,205.14
  5. Step 5: Solve for x
    x = 7,630,037,205.14/83,726.44
  6. Step 6: Final answer
    x = 91,130.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.