Home / 112,373.56-155,075.04-62,072.56

Finding the Fourth Proportional to 112,373.56, 155,075.04 and 62,072.56

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Solution

The fourth proportional to 112,373.56, 155,075.04 and 62,072.56 is: 85,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373.56 : 155,075.04 = 62,072.56 : x
  2. Step 2: Convert to fraction form
    112,373.56/155,075.04 = 62,072.56/x
  3. Step 3: Cross multiply
    112,373.56x = 155,075.04 × 62,072.56
  4. Step 4: Simplify right side
    112,373.56x = 9,625,904,724.90
  5. Step 5: Solve for x
    x = 9,625,904,724.90/112,373.56
  6. Step 6: Final answer
    x = 85,659.87

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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.