Home / 90,853.35-125,270.34-62,186.82

Finding the Fourth Proportional to 90,853.35, 125,270.34 and 62,186.82

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Solution

The fourth proportional to 90,853.35, 125,270.34 and 62,186.82 is: 85,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,853.35 : 125,270.34 = 62,186.82 : x
  2. Step 2: Convert to fraction form
    90,853.35/125,270.34 = 62,186.82/x
  3. Step 3: Cross multiply
    90,853.35x = 125,270.34 × 62,186.82
  4. Step 4: Simplify right side
    90,853.35x = 7,790,164,084.92
  5. Step 5: Solve for x
    x = 7,790,164,084.92/90,853.35
  6. Step 6: Final answer
    x = 85,744.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.