Home / 74,920.05-112,380.08-30,523.95

Finding the Fourth Proportional to 74,920.05, 112,380.08 and 30,523.95

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Solution

The fourth proportional to 74,920.05, 112,380.08 and 30,523.95 is: 45,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.05 : 112,380.08 = 30,523.95 : x
  2. Step 2: Convert to fraction form
    74,920.05/112,380.08 = 30,523.95/x
  3. Step 3: Cross multiply
    74,920.05x = 112,380.08 × 30,523.95
  4. Step 4: Simplify right side
    74,920.05x = 3,430,283,790.30
  5. Step 5: Solve for x
    x = 3,430,283,790.30/74,920.05
  6. Step 6: Final answer
    x = 45,785.93

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1.5x scale

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.