Home / 112,701.12-155,529.46-61,713.04

Finding the Fourth Proportional to 112,701.12, 155,529.46 and 61,713.04

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Solution

The fourth proportional to 112,701.12, 155,529.46 and 61,713.04 is: 85,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.12 : 155,529.46 = 61,713.04 : x
  2. Step 2: Convert to fraction form
    112,701.12/155,529.46 = 61,713.04/x
  3. Step 3: Cross multiply
    112,701.12x = 155,529.46 × 61,713.04
  4. Step 4: Simplify right side
    112,701.12x = 9,598,195,243.05
  5. Step 5: Solve for x
    x = 9,598,195,243.05/112,701.12
  6. Step 6: Final answer
    x = 85,165.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.