Home / 54,078.48-81,132.36-16,637.76

Finding the Fourth Proportional to 54,078.48, 81,132.36 and 16,637.76

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Solution

The fourth proportional to 54,078.48, 81,132.36 and 16,637.76 is: 24,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.48 : 81,132.36 = 16,637.76 : x
  2. Step 2: Convert to fraction form
    54,078.48/81,132.36 = 16,637.76/x
  3. Step 3: Cross multiply
    54,078.48x = 81,132.36 × 16,637.76
  4. Step 4: Simplify right side
    54,078.48x = 1,349,860,733.91
  5. Step 5: Solve for x
    x = 1,349,860,733.91/54,078.48
  6. Step 6: Final answer
    x = 24,961.14

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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.