Home / 95,072.10-142,608.15-90,698.10

Finding the Fourth Proportional to 95,072.10, 142,608.15 and 90,698.10

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Solution

The fourth proportional to 95,072.10, 142,608.15 and 90,698.10 is: 136,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,072.10 : 142,608.15 = 90,698.10 : x
  2. Step 2: Convert to fraction form
    95,072.10/142,608.15 = 90,698.10/x
  3. Step 3: Cross multiply
    95,072.10x = 142,608.15 × 90,698.10
  4. Step 4: Simplify right side
    95,072.10x = 12,934,288,249.52
  5. Step 5: Solve for x
    x = 12,934,288,249.52/95,072.10
  6. Step 6: Final answer
    x = 136,047.15

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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.