Home / 78,600.38-108,476.72-44,618.04

Finding the Fourth Proportional to 78,600.38, 108,476.72 and 44,618.04

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Solution

The fourth proportional to 78,600.38, 108,476.72 and 44,618.04 is: 61,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,600.38 : 108,476.72 = 44,618.04 : x
  2. Step 2: Convert to fraction form
    78,600.38/108,476.72 = 44,618.04/x
  3. Step 3: Cross multiply
    78,600.38x = 108,476.72 × 44,618.04
  4. Step 4: Simplify right side
    78,600.38x = 4,840,018,576.26
  5. Step 5: Solve for x
    x = 4,840,018,576.26/78,600.38
  6. Step 6: Final answer
    x = 61,577.55

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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.