Home / 75,028.32-112,417.88-52,795.04

Finding the Fourth Proportional to 75,028.32, 112,417.88 and 52,795.04

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Solution

The fourth proportional to 75,028.32, 112,417.88 and 52,795.04 is: 79,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,028.32 : 112,417.88 = 52,795.04 : x
  2. Step 2: Convert to fraction form
    75,028.32/112,417.88 = 52,795.04/x
  3. Step 3: Cross multiply
    75,028.32x = 112,417.88 × 52,795.04
  4. Step 4: Simplify right side
    75,028.32x = 5,935,105,645.25
  5. Step 5: Solve for x
    x = 5,935,105,645.25/75,028.32
  6. Step 6: Final answer
    x = 79,104.87

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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.