Home / 48,442.25-72,655.18-13,382.01

Finding the Fourth Proportional to 48,442.25, 72,655.18 and 13,382.01

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Solution

The fourth proportional to 48,442.25, 72,655.18 and 13,382.01 is: 20,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.25 : 72,655.18 = 13,382.01 : x
  2. Step 2: Convert to fraction form
    48,442.25/72,655.18 = 13,382.01/x
  3. Step 3: Cross multiply
    48,442.25x = 72,655.18 × 13,382.01
  4. Step 4: Simplify right side
    48,442.25x = 972,272,311.86
  5. Step 5: Solve for x
    x = 972,272,311.86/48,442.25
  6. Step 6: Final answer
    x = 20,070.75

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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.