Home / 90,759.90-136,144.31-24,200.63

Finding the Fourth Proportional to 90,759.90, 136,144.31 and 24,200.63

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Solution

The fourth proportional to 90,759.90, 136,144.31 and 24,200.63 is: 36,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,759.90 : 136,144.31 = 24,200.63 : x
  2. Step 2: Convert to fraction form
    90,759.90/136,144.31 = 24,200.63/x
  3. Step 3: Cross multiply
    90,759.90x = 136,144.31 × 24,200.63
  4. Step 4: Simplify right side
    90,759.90x = 3,294,777,271.19
  5. Step 5: Solve for x
    x = 3,294,777,271.19/90,759.90
  6. Step 6: Final answer
    x = 36,302.13

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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.