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Finding the Fourth Proportional to 74,691.68, 112,056.68 and 24,785.76

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Solution

The fourth proportional to 74,691.68, 112,056.68 and 24,785.76 is: 37,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.68 : 112,056.68 = 24,785.76 : x
  2. Step 2: Convert to fraction form
    74,691.68/112,056.68 = 24,785.76/x
  3. Step 3: Cross multiply
    74,691.68x = 112,056.68 × 24,785.76
  4. Step 4: Simplify right side
    74,691.68x = 2,777,409,976.88
  5. Step 5: Solve for x
    x = 2,777,409,976.88/74,691.68
  6. Step 6: Final answer
    x = 37,185.00

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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.