Home / 48,152.38-72,234.72-18,578.66

Finding the Fourth Proportional to 48,152.38, 72,234.72 and 18,578.66

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Solution

The fourth proportional to 48,152.38, 72,234.72 and 18,578.66 is: 27,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,152.38 : 72,234.72 = 18,578.66 : x
  2. Step 2: Convert to fraction form
    48,152.38/72,234.72 = 18,578.66/x
  3. Step 3: Cross multiply
    48,152.38x = 72,234.72 × 18,578.66
  4. Step 4: Simplify right side
    48,152.38x = 1,342,024,303.08
  5. Step 5: Solve for x
    x = 1,342,024,303.08/48,152.38
  6. Step 6: Final answer
    x = 27,870.36

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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.