Home / 105,451.24-158,125.84-38,922.72

Finding the Fourth Proportional to 105,451.24, 158,125.84 and 38,922.72

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Solution

The fourth proportional to 105,451.24, 158,125.84 and 38,922.72 is: 58,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,451.24 : 158,125.84 = 38,922.72 : x
  2. Step 2: Convert to fraction form
    105,451.24/158,125.84 = 38,922.72/x
  3. Step 3: Cross multiply
    105,451.24x = 158,125.84 × 38,922.72
  4. Step 4: Simplify right side
    105,451.24x = 6,154,687,795.08
  5. Step 5: Solve for x
    x = 6,154,687,795.08/105,451.24
  6. Step 6: Final answer
    x = 58,365.25

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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.