Home / 74,737.83-103,079.89-47,882.86

Finding the Fourth Proportional to 74,737.83, 103,079.89 and 47,882.86

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Solution

The fourth proportional to 74,737.83, 103,079.89 and 47,882.86 is: 66,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,737.83 : 103,079.89 = 47,882.86 : x
  2. Step 2: Convert to fraction form
    74,737.83/103,079.89 = 47,882.86/x
  3. Step 3: Cross multiply
    74,737.83x = 103,079.89 × 47,882.86
  4. Step 4: Simplify right side
    74,737.83x = 4,935,759,743.84
  5. Step 5: Solve for x
    x = 4,935,759,743.84/74,737.83
  6. Step 6: Final answer
    x = 66,040.98

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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.