Home / 54,278.48-81,420.15-14,834.72

Finding the Fourth Proportional to 54,278.48, 81,420.15 and 14,834.72

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Solution

The fourth proportional to 54,278.48, 81,420.15 and 14,834.72 is: 22,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.48 : 81,420.15 = 14,834.72 : x
  2. Step 2: Convert to fraction form
    54,278.48/81,420.15 = 14,834.72/x
  3. Step 3: Cross multiply
    54,278.48x = 81,420.15 × 14,834.72
  4. Step 4: Simplify right side
    54,278.48x = 1,207,845,127.61
  5. Step 5: Solve for x
    x = 1,207,845,127.61/54,278.48
  6. Step 6: Final answer
    x = 22,252.74

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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.