Home / 54,577.06-81,865.32-47,158.95

Finding the Fourth Proportional to 54,577.06, 81,865.32 and 47,158.95

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Solution

The fourth proportional to 54,577.06, 81,865.32 and 47,158.95 is: 70,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,577.06 : 81,865.32 = 47,158.95 : x
  2. Step 2: Convert to fraction form
    54,577.06/81,865.32 = 47,158.95/x
  3. Step 3: Cross multiply
    54,577.06x = 81,865.32 × 47,158.95
  4. Step 4: Simplify right side
    54,577.06x = 3,860,682,532.61
  5. Step 5: Solve for x
    x = 3,860,682,532.61/54,577.06
  6. Step 6: Final answer
    x = 70,738.19

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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.