Home / 95,642.10-143,296.88-67,118.55

Finding the Fourth Proportional to 95,642.10, 143,296.88 and 67,118.55

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Solution

The fourth proportional to 95,642.10, 143,296.88 and 67,118.55 is: 100,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,642.10 : 143,296.88 = 67,118.55 : x
  2. Step 2: Convert to fraction form
    95,642.10/143,296.88 = 67,118.55/x
  3. Step 3: Cross multiply
    95,642.10x = 143,296.88 × 67,118.55
  4. Step 4: Simplify right side
    95,642.10x = 9,617,878,805.12
  5. Step 5: Solve for x
    x = 9,617,878,805.12/95,642.10
  6. Step 6: Final answer
    x = 100,561.14

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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.