Home / 90,876.96-136,204.92-48,653.28

Finding the Fourth Proportional to 90,876.96, 136,204.92 and 48,653.28

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Solution

The fourth proportional to 90,876.96, 136,204.92 and 48,653.28 is: 72,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.96 : 136,204.92 = 48,653.28 : x
  2. Step 2: Convert to fraction form
    90,876.96/136,204.92 = 48,653.28/x
  3. Step 3: Cross multiply
    90,876.96x = 136,204.92 × 48,653.28
  4. Step 4: Simplify right side
    90,876.96x = 6,626,816,110.14
  5. Step 5: Solve for x
    x = 6,626,816,110.14/90,876.96
  6. Step 6: Final answer
    x = 72,920.75

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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.