Home / 48,425.12-72,641.85-13,364.77

Finding the Fourth Proportional to 48,425.12, 72,641.85 and 13,364.77

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Solution

The fourth proportional to 48,425.12, 72,641.85 and 13,364.77 is: 20,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,425.12 : 72,641.85 = 13,364.77 : x
  2. Step 2: Convert to fraction form
    48,425.12/72,641.85 = 13,364.77/x
  3. Step 3: Cross multiply
    48,425.12x = 72,641.85 × 13,364.77
  4. Step 4: Simplify right side
    48,425.12x = 970,841,617.62
  5. Step 5: Solve for x
    x = 970,841,617.62/48,425.12
  6. Step 6: Final answer
    x = 20,048.31

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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.