Home / 74,102.40-111,007.80-44,432.10

Finding the Fourth Proportional to 74,102.40, 111,007.80 and 44,432.10

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Solution

The fourth proportional to 74,102.40, 111,007.80 and 44,432.10 is: 66,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.40 : 111,007.80 = 44,432.10 : x
  2. Step 2: Convert to fraction form
    74,102.40/111,007.80 = 44,432.10/x
  3. Step 3: Cross multiply
    74,102.40x = 111,007.80 × 44,432.10
  4. Step 4: Simplify right side
    74,102.40x = 4,932,309,670.38
  5. Step 5: Solve for x
    x = 4,932,309,670.38/74,102.40
  6. Step 6: Final answer
    x = 66,560.73

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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.