Home / 95,279.95-142,906.69-66,730.42

Finding the Fourth Proportional to 95,279.95, 142,906.69 and 66,730.42

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Solution

The fourth proportional to 95,279.95, 142,906.69 and 66,730.42 is: 100,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,279.95 : 142,906.69 = 66,730.42 : x
  2. Step 2: Convert to fraction form
    95,279.95/142,906.69 = 66,730.42/x
  3. Step 3: Cross multiply
    95,279.95x = 142,906.69 × 66,730.42
  4. Step 4: Simplify right side
    95,279.95x = 9,536,223,444.51
  5. Step 5: Solve for x
    x = 9,536,223,444.51/95,279.95
  6. Step 6: Final answer
    x = 100,086.36

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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.