Home / 90,876.46-136,323.57-34,763.71

Finding the Fourth Proportional to 90,876.46, 136,323.57 and 34,763.71

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Solution

The fourth proportional to 90,876.46, 136,323.57 and 34,763.71 is: 52,148.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.46 : 136,323.57 = 34,763.71 : x
  2. Step 2: Convert to fraction form
    90,876.46/136,323.57 = 34,763.71/x
  3. Step 3: Cross multiply
    90,876.46x = 136,323.57 × 34,763.71
  4. Step 4: Simplify right side
    90,876.46x = 4,739,113,053.64
  5. Step 5: Solve for x
    x = 4,739,113,053.64/90,876.46
  6. Step 6: Final answer
    x = 52,148.96

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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.