Home / 48,137.82-72,108.45-28,356.54

Finding the Fourth Proportional to 48,137.82, 72,108.45 and 28,356.54

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Solution

The fourth proportional to 48,137.82, 72,108.45 and 28,356.54 is: 42,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,137.82 : 72,108.45 = 28,356.54 : x
  2. Step 2: Convert to fraction form
    48,137.82/72,108.45 = 28,356.54/x
  3. Step 3: Cross multiply
    48,137.82x = 72,108.45 × 28,356.54
  4. Step 4: Simplify right side
    48,137.82x = 2,044,746,146.76
  5. Step 5: Solve for x
    x = 2,044,746,146.76/48,137.82
  6. Step 6: Final answer
    x = 42,476.92

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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.