Home / 53,117.84-79,676.04-18,081.92

Finding the Fourth Proportional to 53,117.84, 79,676.04 and 18,081.92

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Solution

The fourth proportional to 53,117.84, 79,676.04 and 18,081.92 is: 27,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.84 : 79,676.04 = 18,081.92 : x
  2. Step 2: Convert to fraction form
    53,117.84/79,676.04 = 18,081.92/x
  3. Step 3: Cross multiply
    53,117.84x = 79,676.04 × 18,081.92
  4. Step 4: Simplify right side
    53,117.84x = 1,440,695,781.20
  5. Step 5: Solve for x
    x = 1,440,695,781.20/53,117.84
  6. Step 6: Final answer
    x = 27,122.63

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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.