Home / 105,480.11-145,633.03-62,473.43

Finding the Fourth Proportional to 105,480.11, 145,633.03 and 62,473.43

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Solution

The fourth proportional to 105,480.11, 145,633.03 and 62,473.43 is: 86,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,480.11 : 145,633.03 = 62,473.43 : x
  2. Step 2: Convert to fraction form
    105,480.11/145,633.03 = 62,473.43/x
  3. Step 3: Cross multiply
    105,480.11x = 145,633.03 × 62,473.43
  4. Step 4: Simplify right side
    105,480.11x = 9,098,195,113.29
  5. Step 5: Solve for x
    x = 9,098,195,113.29/105,480.11
  6. Step 6: Final answer
    x = 86,255.08

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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.