Home / 75,319.07-103,949.53-43,487.89

Finding the Fourth Proportional to 75,319.07, 103,949.53 and 43,487.89

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Solution

The fourth proportional to 75,319.07, 103,949.53 and 43,487.89 is: 60,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,319.07 : 103,949.53 = 43,487.89 : x
  2. Step 2: Convert to fraction form
    75,319.07/103,949.53 = 43,487.89/x
  3. Step 3: Cross multiply
    75,319.07x = 103,949.53 × 43,487.89
  4. Step 4: Simplify right side
    75,319.07x = 4,520,545,357.60
  5. Step 5: Solve for x
    x = 4,520,545,357.60/75,319.07
  6. Step 6: Final answer
    x = 60,018.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.