Home / 124,787.84-172,203.37-71,080.52

Finding the Fourth Proportional to 124,787.84, 172,203.37 and 71,080.52

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Solution

The fourth proportional to 124,787.84, 172,203.37 and 71,080.52 is: 98,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,787.84 : 172,203.37 = 71,080.52 : x
  2. Step 2: Convert to fraction form
    124,787.84/172,203.37 = 71,080.52/x
  3. Step 3: Cross multiply
    124,787.84x = 172,203.37 × 71,080.52
  4. Step 4: Simplify right side
    124,787.84x = 12,240,304,046.63
  5. Step 5: Solve for x
    x = 12,240,304,046.63/124,787.84
  6. Step 6: Final answer
    x = 98,088.92

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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.