Home / 105,565.30-158,348.97-26,679.53

Finding the Fourth Proportional to 105,565.30, 158,348.97 and 26,679.53

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Solution

The fourth proportional to 105,565.30, 158,348.97 and 26,679.53 is: 40,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,565.30 : 158,348.97 = 26,679.53 : x
  2. Step 2: Convert to fraction form
    105,565.30/158,348.97 = 26,679.53/x
  3. Step 3: Cross multiply
    105,565.30x = 158,348.97 × 26,679.53
  4. Step 4: Simplify right side
    105,565.30x = 4,224,676,491.46
  5. Step 5: Solve for x
    x = 4,224,676,491.46/105,565.30
  6. Step 6: Final answer
    x = 40,019.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.