Home / 73,272.60-109,851.49-31,159.18

Finding the Fourth Proportional to 73,272.60, 109,851.49 and 31,159.18

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Solution

The fourth proportional to 73,272.60, 109,851.49 and 31,159.18 is: 46,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.60 : 109,851.49 = 31,159.18 : x
  2. Step 2: Convert to fraction form
    73,272.60/109,851.49 = 31,159.18/x
  3. Step 3: Cross multiply
    73,272.60x = 109,851.49 × 31,159.18
  4. Step 4: Simplify right side
    73,272.60x = 3,422,882,526.44
  5. Step 5: Solve for x
    x = 3,422,882,526.44/73,272.60
  6. Step 6: Final answer
    x = 46,714.36

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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.