Home / 74,713.64-103,101.17-40,722.08

Finding the Fourth Proportional to 74,713.64, 103,101.17 and 40,722.08

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Solution

The fourth proportional to 74,713.64, 103,101.17 and 40,722.08 is: 56,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,713.64 : 103,101.17 = 40,722.08 : x
  2. Step 2: Convert to fraction form
    74,713.64/103,101.17 = 40,722.08/x
  3. Step 3: Cross multiply
    74,713.64x = 103,101.17 × 40,722.08
  4. Step 4: Simplify right side
    74,713.64x = 4,198,493,373.72
  5. Step 5: Solve for x
    x = 4,198,493,373.72/74,713.64
  6. Step 6: Final answer
    x = 56,194.47

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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.