Home / 90,951.03-136,393.28-34,763.35

Finding the Fourth Proportional to 90,951.03, 136,393.28 and 34,763.35

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Solution

The fourth proportional to 90,951.03, 136,393.28 and 34,763.35 is: 52,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,951.03 : 136,393.28 = 34,763.35 : x
  2. Step 2: Convert to fraction form
    90,951.03/136,393.28 = 34,763.35/x
  3. Step 3: Cross multiply
    90,951.03x = 136,393.28 × 34,763.35
  4. Step 4: Simplify right side
    90,951.03x = 4,741,487,330.29
  5. Step 5: Solve for x
    x = 4,741,487,330.29/90,951.03
  6. Step 6: Final answer
    x = 52,132.31

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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.