Home / 90,905.55-136,347.89-34,744.41

Finding the Fourth Proportional to 90,905.55, 136,347.89 and 34,744.41

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Solution

The fourth proportional to 90,905.55, 136,347.89 and 34,744.41 is: 52,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,905.55 : 136,347.89 = 34,744.41 : x
  2. Step 2: Convert to fraction form
    90,905.55/136,347.89 = 34,744.41/x
  3. Step 3: Cross multiply
    90,905.55x = 136,347.89 × 34,744.41
  4. Step 4: Simplify right side
    90,905.55x = 4,737,326,819.07
  5. Step 5: Solve for x
    x = 4,737,326,819.07/90,905.55
  6. Step 6: Final answer
    x = 52,112.62

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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.