Home / 48,432.18-72,621.81-15,143.34

Finding the Fourth Proportional to 48,432.18, 72,621.81 and 15,143.34

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Solution

The fourth proportional to 48,432.18, 72,621.81 and 15,143.34 is: 22,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,432.18 : 72,621.81 = 15,143.34 : x
  2. Step 2: Convert to fraction form
    48,432.18/72,621.81 = 15,143.34/x
  3. Step 3: Cross multiply
    48,432.18x = 72,621.81 × 15,143.34
  4. Step 4: Simplify right side
    48,432.18x = 1,099,736,760.25
  5. Step 5: Solve for x
    x = 1,099,736,760.25/48,432.18
  6. Step 6: Final answer
    x = 22,706.74

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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.