Home / 48,100.80-72,153.36-18,508.08

Finding the Fourth Proportional to 48,100.80, 72,153.36 and 18,508.08

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Solution

The fourth proportional to 48,100.80, 72,153.36 and 18,508.08 is: 27,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,100.80 : 72,153.36 = 18,508.08 : x
  2. Step 2: Convert to fraction form
    48,100.80/72,153.36 = 18,508.08/x
  3. Step 3: Cross multiply
    48,100.80x = 72,153.36 × 18,508.08
  4. Step 4: Simplify right side
    48,100.80x = 1,335,420,159.15
  5. Step 5: Solve for x
    x = 1,335,420,159.15/48,100.80
  6. Step 6: Final answer
    x = 27,762.95

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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.