Home / 75,573.27-113,360.02-28,187.65

Finding the Fourth Proportional to 75,573.27, 113,360.02 and 28,187.65

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Solution

The fourth proportional to 75,573.27, 113,360.02 and 28,187.65 is: 42,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,573.27 : 113,360.02 = 28,187.65 : x
  2. Step 2: Convert to fraction form
    75,573.27/113,360.02 = 28,187.65/x
  3. Step 3: Cross multiply
    75,573.27x = 113,360.02 × 28,187.65
  4. Step 4: Simplify right side
    75,573.27x = 3,195,352,159.89
  5. Step 5: Solve for x
    x = 3,195,352,159.89/75,573.27
  6. Step 6: Final answer
    x = 42,281.51

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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.