Home / 95,137.78-142,708.08-45,223.02

Finding the Fourth Proportional to 95,137.78, 142,708.08 and 45,223.02

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Solution

The fourth proportional to 95,137.78, 142,708.08 and 45,223.02 is: 67,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,137.78 : 142,708.08 = 45,223.02 : x
  2. Step 2: Convert to fraction form
    95,137.78/142,708.08 = 45,223.02/x
  3. Step 3: Cross multiply
    95,137.78x = 142,708.08 × 45,223.02
  4. Step 4: Simplify right side
    95,137.78x = 6,453,690,356.00
  5. Step 5: Solve for x
    x = 6,453,690,356.00/95,137.78
  6. Step 6: Final answer
    x = 67,835.20

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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.