Home / 74,760.60-112,013.96-45,116.15

Finding the Fourth Proportional to 74,760.60, 112,013.96 and 45,116.15

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Solution

The fourth proportional to 74,760.60, 112,013.96 and 45,116.15 is: 67,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,760.60 : 112,013.96 = 45,116.15 : x
  2. Step 2: Convert to fraction form
    74,760.60/112,013.96 = 45,116.15/x
  3. Step 3: Cross multiply
    74,760.60x = 112,013.96 × 45,116.15
  4. Step 4: Simplify right side
    74,760.60x = 5,053,638,425.04
  5. Step 5: Solve for x
    x = 5,053,638,425.04/74,760.60
  6. Step 6: Final answer
    x = 67,597.61

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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.