Home / 75,638.93-113,458.95-28,264.73

Finding the Fourth Proportional to 75,638.93, 113,458.95 and 28,264.73

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Solution

The fourth proportional to 75,638.93, 113,458.95 and 28,264.73 is: 42,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.93 : 113,458.95 = 28,264.73 : x
  2. Step 2: Convert to fraction form
    75,638.93/113,458.95 = 28,264.73/x
  3. Step 3: Cross multiply
    75,638.93x = 113,458.95 × 28,264.73
  4. Step 4: Simplify right side
    75,638.93x = 3,206,886,020.54
  5. Step 5: Solve for x
    x = 3,206,886,020.54/75,638.93
  6. Step 6: Final answer
    x = 42,397.30

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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.