Home / 136,788.56-205,115.84-48,029.16

Finding the Fourth Proportional to 136,788.56, 205,115.84 and 48,029.16

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Solution

The fourth proportional to 136,788.56, 205,115.84 and 48,029.16 is: 72,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,788.56 : 205,115.84 = 48,029.16 : x
  2. Step 2: Convert to fraction form
    136,788.56/205,115.84 = 48,029.16/x
  3. Step 3: Cross multiply
    136,788.56x = 205,115.84 × 48,029.16
  4. Step 4: Simplify right side
    136,788.56x = 9,851,541,497.89
  5. Step 5: Solve for x
    x = 9,851,541,497.89/136,788.56
  6. Step 6: Final answer
    x = 72,020.21

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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.