Home / 56,156.76-77,578.31-48,589.95

Finding the Fourth Proportional to 56,156.76, 77,578.31 and 48,589.95

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Solution

The fourth proportional to 56,156.76, 77,578.31 and 48,589.95 is: 67,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.76 : 77,578.31 = 48,589.95 : x
  2. Step 2: Convert to fraction form
    56,156.76/77,578.31 = 48,589.95/x
  3. Step 3: Cross multiply
    56,156.76x = 77,578.31 × 48,589.95
  4. Step 4: Simplify right side
    56,156.76x = 3,769,526,203.98
  5. Step 5: Solve for x
    x = 3,769,526,203.98/56,156.76
  6. Step 6: Final answer
    x = 67,125.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.