Home / 101,639.28-152,377.50-48,304.48

Finding the Fourth Proportional to 101,639.28, 152,377.50 and 48,304.48

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Solution

The fourth proportional to 101,639.28, 152,377.50 and 48,304.48 is: 72,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,639.28 : 152,377.50 = 48,304.48 : x
  2. Step 2: Convert to fraction form
    101,639.28/152,377.50 = 48,304.48/x
  3. Step 3: Cross multiply
    101,639.28x = 152,377.50 × 48,304.48
  4. Step 4: Simplify right side
    101,639.28x = 7,360,515,901.20
  5. Step 5: Solve for x
    x = 7,360,515,901.20/101,639.28
  6. Step 6: Final answer
    x = 72,418.02

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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.