Home / 83,546.64-115,246.80-59,685.12

Finding the Fourth Proportional to 83,546.64, 115,246.80 and 59,685.12

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Solution

The fourth proportional to 83,546.64, 115,246.80 and 59,685.12 is: 82,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,546.64 : 115,246.80 = 59,685.12 : x
  2. Step 2: Convert to fraction form
    83,546.64/115,246.80 = 59,685.12/x
  3. Step 3: Cross multiply
    83,546.64x = 115,246.80 × 59,685.12
  4. Step 4: Simplify right side
    83,546.64x = 6,878,519,087.62
  5. Step 5: Solve for x
    x = 6,878,519,087.62/83,546.64
  6. Step 6: Final answer
    x = 82,331.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.