Home / 105,298.24-145,261.92-62,248.72

Finding the Fourth Proportional to 105,298.24, 145,261.92 and 62,248.72

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Solution

The fourth proportional to 105,298.24, 145,261.92 and 62,248.72 is: 85,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,298.24 : 145,261.92 = 62,248.72 : x
  2. Step 2: Convert to fraction form
    105,298.24/145,261.92 = 62,248.72/x
  3. Step 3: Cross multiply
    105,298.24x = 145,261.92 × 62,248.72
  4. Step 4: Simplify right side
    105,298.24x = 9,042,368,584.74
  5. Step 5: Solve for x
    x = 9,042,368,584.74/105,298.24
  6. Step 6: Final answer
    x = 85,873.88

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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.