Home / 74,934.95-112,399.82-18,775.53

Finding the Fourth Proportional to 74,934.95, 112,399.82 and 18,775.53

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Solution

The fourth proportional to 74,934.95, 112,399.82 and 18,775.53 is: 28,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.95 : 112,399.82 = 18,775.53 : x
  2. Step 2: Convert to fraction form
    74,934.95/112,399.82 = 18,775.53/x
  3. Step 3: Cross multiply
    74,934.95x = 112,399.82 × 18,775.53
  4. Step 4: Simplify right side
    74,934.95x = 2,110,366,098.53
  5. Step 5: Solve for x
    x = 2,110,366,098.53/74,934.95
  6. Step 6: Final answer
    x = 28,162.64

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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.