Home / 105,532.11-158,187.33-38,929.86

Finding the Fourth Proportional to 105,532.11, 158,187.33 and 38,929.86

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Solution

The fourth proportional to 105,532.11, 158,187.33 and 38,929.86 is: 58,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,532.11 : 158,187.33 = 38,929.86 : x
  2. Step 2: Convert to fraction form
    105,532.11/158,187.33 = 38,929.86/x
  3. Step 3: Cross multiply
    105,532.11x = 158,187.33 × 38,929.86
  4. Step 4: Simplify right side
    105,532.11x = 6,158,210,610.67
  5. Step 5: Solve for x
    x = 6,158,210,610.67/105,532.11
  6. Step 6: Final answer
    x = 58,353.90

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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.