Home / 115,665.11-173,514.95-36,781.91

Finding the Fourth Proportional to 115,665.11, 173,514.95 and 36,781.91

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Solution

The fourth proportional to 115,665.11, 173,514.95 and 36,781.91 is: 55,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,665.11 : 173,514.95 = 36,781.91 : x
  2. Step 2: Convert to fraction form
    115,665.11/173,514.95 = 36,781.91/x
  3. Step 3: Cross multiply
    115,665.11x = 173,514.95 × 36,781.91
  4. Step 4: Simplify right side
    115,665.11x = 6,382,211,274.55
  5. Step 5: Solve for x
    x = 6,382,211,274.55/115,665.11
  6. Step 6: Final answer
    x = 55,178.36

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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.