Home / 75,284.57-112,729.58-52,977.17

Finding the Fourth Proportional to 75,284.57, 112,729.58 and 52,977.17

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Solution

The fourth proportional to 75,284.57, 112,729.58 and 52,977.17 is: 79,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.57 : 112,729.58 = 52,977.17 : x
  2. Step 2: Convert to fraction form
    75,284.57/112,729.58 = 52,977.17/x
  3. Step 3: Cross multiply
    75,284.57x = 112,729.58 × 52,977.17
  4. Step 4: Simplify right side
    75,284.57x = 5,972,093,858.80
  5. Step 5: Solve for x
    x = 5,972,093,858.80/75,284.57
  6. Step 6: Final answer
    x = 79,326.93

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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.