Home / 90,680.38-136,030.92-24,123.22

Finding the Fourth Proportional to 90,680.38, 136,030.92 and 24,123.22

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Solution

The fourth proportional to 90,680.38, 136,030.92 and 24,123.22 is: 36,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,680.38 : 136,030.92 = 24,123.22 : x
  2. Step 2: Convert to fraction form
    90,680.38/136,030.92 = 24,123.22/x
  3. Step 3: Cross multiply
    90,680.38x = 136,030.92 × 24,123.22
  4. Step 4: Simplify right side
    90,680.38x = 3,281,503,809.96
  5. Step 5: Solve for x
    x = 3,281,503,809.96/90,680.38
  6. Step 6: Final answer
    x = 36,187.58

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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.