Home / 54,199.48-81,294.62-18,657.88

Finding the Fourth Proportional to 54,199.48, 81,294.62 and 18,657.88

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Solution

The fourth proportional to 54,199.48, 81,294.62 and 18,657.88 is: 27,985.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,199.48 : 81,294.62 = 18,657.88 : x
  2. Step 2: Convert to fraction form
    54,199.48/81,294.62 = 18,657.88/x
  3. Step 3: Cross multiply
    54,199.48x = 81,294.62 × 18,657.88
  4. Step 4: Simplify right side
    54,199.48x = 1,516,785,264.61
  5. Step 5: Solve for x
    x = 1,516,785,264.61/54,199.48
  6. Step 6: Final answer
    x = 27,985.24

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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.