Home / 105,319.83-157,964.16-38,744.38

Finding the Fourth Proportional to 105,319.83, 157,964.16 and 38,744.38

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Solution

The fourth proportional to 105,319.83, 157,964.16 and 38,744.38 is: 58,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,319.83 : 157,964.16 = 38,744.38 : x
  2. Step 2: Convert to fraction form
    105,319.83/157,964.16 = 38,744.38/x
  3. Step 3: Cross multiply
    105,319.83x = 157,964.16 × 38,744.38
  4. Step 4: Simplify right side
    105,319.83x = 6,120,224,179.08
  5. Step 5: Solve for x
    x = 6,120,224,179.08/105,319.83
  6. Step 6: Final answer
    x = 58,110.85

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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.