Home / 73,042.42-109,625.80-28,700.18

Finding the Fourth Proportional to 73,042.42, 109,625.80 and 28,700.18

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Solution

The fourth proportional to 73,042.42, 109,625.80 and 28,700.18 is: 43,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,042.42 : 109,625.80 = 28,700.18 : x
  2. Step 2: Convert to fraction form
    73,042.42/109,625.80 = 28,700.18/x
  3. Step 3: Cross multiply
    73,042.42x = 109,625.80 × 28,700.18
  4. Step 4: Simplify right side
    73,042.42x = 3,146,280,192.64
  5. Step 5: Solve for x
    x = 3,146,280,192.64/73,042.42
  6. Step 6: Final answer
    x = 43,074.70

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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.