Home / 124,843.14-172,283.52-68,254.50

Finding the Fourth Proportional to 124,843.14, 172,283.52 and 68,254.50

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Solution

The fourth proportional to 124,843.14, 172,283.52 and 68,254.50 is: 94,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843.14 : 172,283.52 = 68,254.50 : x
  2. Step 2: Convert to fraction form
    124,843.14/172,283.52 = 68,254.50/x
  3. Step 3: Cross multiply
    124,843.14x = 172,283.52 × 68,254.50
  4. Step 4: Simplify right side
    124,843.14x = 11,759,125,515.84
  5. Step 5: Solve for x
    x = 11,759,125,515.84/124,843.14
  6. Step 6: Final answer
    x = 94,191.20

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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.