Home / 136,057.15-204,015.75-61,112.98

Finding the Fourth Proportional to 136,057.15, 204,015.75 and 61,112.98

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Solution

The fourth proportional to 136,057.15, 204,015.75 and 61,112.98 is: 91,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,057.15 : 204,015.75 = 61,112.98 : x
  2. Step 2: Convert to fraction form
    136,057.15/204,015.75 = 61,112.98/x
  3. Step 3: Cross multiply
    136,057.15x = 204,015.75 × 61,112.98
  4. Step 4: Simplify right side
    136,057.15x = 12,468,010,475.28
  5. Step 5: Solve for x
    x = 12,468,010,475.28/136,057.15
  6. Step 6: Final answer
    x = 91,638.04

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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.