Home / 90,415.26-135,595.20-62,514.61

Finding the Fourth Proportional to 90,415.26, 135,595.20 and 62,514.61

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Solution

The fourth proportional to 90,415.26, 135,595.20 and 62,514.61 is: 93,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,415.26 : 135,595.20 = 62,514.61 : x
  2. Step 2: Convert to fraction form
    90,415.26/135,595.20 = 62,514.61/x
  3. Step 3: Cross multiply
    90,415.26x = 135,595.20 × 62,514.61
  4. Step 4: Simplify right side
    90,415.26x = 8,476,680,941.31
  5. Step 5: Solve for x
    x = 8,476,680,941.31/90,415.26
  6. Step 6: Final answer
    x = 93,752.77

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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.