Home / 54,319.79-81,479.75-14,877.24

Finding the Fourth Proportional to 54,319.79, 81,479.75 and 14,877.24

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Solution

The fourth proportional to 54,319.79, 81,479.75 and 14,877.24 is: 22,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.79 : 81,479.75 = 14,877.24 : x
  2. Step 2: Convert to fraction form
    54,319.79/81,479.75 = 14,877.24/x
  3. Step 3: Cross multiply
    54,319.79x = 81,479.75 × 14,877.24
  4. Step 4: Simplify right side
    54,319.79x = 1,212,193,721.50
  5. Step 5: Solve for x
    x = 1,212,193,721.50/54,319.79
  6. Step 6: Final answer
    x = 22,315.88

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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.