Home / 88,048.90-131,976.15-48,634.30

Finding the Fourth Proportional to 88,048.90, 131,976.15 and 48,634.30

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Solution

The fourth proportional to 88,048.90, 131,976.15 and 48,634.30 is: 72,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,048.90 : 131,976.15 = 48,634.30 : x
  2. Step 2: Convert to fraction form
    88,048.90/131,976.15 = 48,634.30/x
  3. Step 3: Cross multiply
    88,048.90x = 131,976.15 × 48,634.30
  4. Step 4: Simplify right side
    88,048.90x = 6,418,567,671.95
  5. Step 5: Solve for x
    x = 6,418,567,671.95/88,048.90
  6. Step 6: Final answer
    x = 72,897.76

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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.