Home / 83,799.18-115,641-45,558.18

Finding the Fourth Proportional to 83,799.18, 115,641 and 45,558.18

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Solution

The fourth proportional to 83,799.18, 115,641 and 45,558.18 is: 62,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799.18 : 115,641 = 45,558.18 : x
  2. Step 2: Convert to fraction form
    83,799.18/115,641 = 45,558.18/x
  3. Step 3: Cross multiply
    83,799.18x = 115,641 × 45,558.18
  4. Step 4: Simplify right side
    83,799.18x = 5,268,393,493.38
  5. Step 5: Solve for x
    x = 5,268,393,493.38/83,799.18
  6. Step 6: Final answer
    x = 62,869.27

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Double scale
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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.