Home / 43,121.58-64,693.14-15,042.04

Finding the Fourth Proportional to 43,121.58, 64,693.14 and 15,042.04

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Solution

The fourth proportional to 43,121.58, 64,693.14 and 15,042.04 is: 22,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.58 : 64,693.14 = 15,042.04 : x
  2. Step 2: Convert to fraction form
    43,121.58/64,693.14 = 15,042.04/x
  3. Step 3: Cross multiply
    43,121.58x = 64,693.14 × 15,042.04
  4. Step 4: Simplify right side
    43,121.58x = 973,116,799.61
  5. Step 5: Solve for x
    x = 973,116,799.61/43,121.58
  6. Step 6: Final answer
    x = 22,566.82

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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.