Home / 124,871.52-172,326.24-68,283.84

Finding the Fourth Proportional to 124,871.52, 172,326.24 and 68,283.84

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Solution

The fourth proportional to 124,871.52, 172,326.24 and 68,283.84 is: 94,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,871.52 : 172,326.24 = 68,283.84 : x
  2. Step 2: Convert to fraction form
    124,871.52/172,326.24 = 68,283.84/x
  3. Step 3: Cross multiply
    124,871.52x = 172,326.24 × 68,283.84
  4. Step 4: Simplify right side
    124,871.52x = 11,767,097,399.96
  5. Step 5: Solve for x
    x = 11,767,097,399.96/124,871.52
  6. Step 6: Final answer
    x = 94,233.64

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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.