Home / 48,423.15-72,632.16-15,139.44

Finding the Fourth Proportional to 48,423.15, 72,632.16 and 15,139.44

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Solution

The fourth proportional to 48,423.15, 72,632.16 and 15,139.44 is: 22,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,423.15 : 72,632.16 = 15,139.44 : x
  2. Step 2: Convert to fraction form
    48,423.15/72,632.16 = 15,139.44/x
  3. Step 3: Cross multiply
    48,423.15x = 72,632.16 × 15,139.44
  4. Step 4: Simplify right side
    48,423.15x = 1,099,610,228.39
  5. Step 5: Solve for x
    x = 1,099,610,228.39/48,423.15
  6. Step 6: Final answer
    x = 22,708.36

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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.