Home / 57,853.13-86,689.93-40,118.38

Finding the Fourth Proportional to 57,853.13, 86,689.93 and 40,118.38

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Solution

The fourth proportional to 57,853.13, 86,689.93 and 40,118.38 is: 60,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.13 : 86,689.93 = 40,118.38 : x
  2. Step 2: Convert to fraction form
    57,853.13/86,689.93 = 40,118.38/x
  3. Step 3: Cross multiply
    57,853.13x = 86,689.93 × 40,118.38
  4. Step 4: Simplify right side
    57,853.13x = 3,477,859,553.91
  5. Step 5: Solve for x
    x = 3,477,859,553.91/57,853.13
  6. Step 6: Final answer
    x = 60,115.32

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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.