Home / 75,750.39-113,625.59-23,159.87

Finding the Fourth Proportional to 75,750.39, 113,625.59 and 23,159.87

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Solution

The fourth proportional to 75,750.39, 113,625.59 and 23,159.87 is: 34,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,750.39 : 113,625.59 = 23,159.87 : x
  2. Step 2: Convert to fraction form
    75,750.39/113,625.59 = 23,159.87/x
  3. Step 3: Cross multiply
    75,750.39x = 113,625.59 × 23,159.87
  4. Step 4: Simplify right side
    75,750.39x = 2,631,554,274.39
  5. Step 5: Solve for x
    x = 2,631,554,274.39/75,750.39
  6. Step 6: Final answer
    x = 34,739.81

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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.