Home / 43,641.18-60,140.34-31,044.06

Finding the Fourth Proportional to 43,641.18, 60,140.34 and 31,044.06

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Solution

The fourth proportional to 43,641.18, 60,140.34 and 31,044.06 is: 42,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,641.18 : 60,140.34 = 31,044.06 : x
  2. Step 2: Convert to fraction form
    43,641.18/60,140.34 = 31,044.06/x
  3. Step 3: Cross multiply
    43,641.18x = 60,140.34 × 31,044.06
  4. Step 4: Simplify right side
    43,641.18x = 1,867,000,323.38
  5. Step 5: Solve for x
    x = 1,867,000,323.38/43,641.18
  6. Step 6: Final answer
    x = 42,780.70

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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.