Home / 45,319.60-68,110.44-42,169.84

Finding the Fourth Proportional to 45,319.60, 68,110.44 and 42,169.84

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Solution

The fourth proportional to 45,319.60, 68,110.44 and 42,169.84 is: 63,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.60 : 68,110.44 = 42,169.84 : x
  2. Step 2: Convert to fraction form
    45,319.60/68,110.44 = 42,169.84/x
  3. Step 3: Cross multiply
    45,319.60x = 68,110.44 × 42,169.84
  4. Step 4: Simplify right side
    45,319.60x = 2,872,206,357.13
  5. Step 5: Solve for x
    x = 2,872,206,357.13/45,319.60
  6. Step 6: Final answer
    x = 63,376.69

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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.