Home / 74,659.32-103,028.98-40,667.70

Finding the Fourth Proportional to 74,659.32, 103,028.98 and 40,667.70

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Solution

The fourth proportional to 74,659.32, 103,028.98 and 40,667.70 is: 56,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659.32 : 103,028.98 = 40,667.70 : x
  2. Step 2: Convert to fraction form
    74,659.32/103,028.98 = 40,667.70/x
  3. Step 3: Cross multiply
    74,659.32x = 103,028.98 × 40,667.70
  4. Step 4: Simplify right side
    74,659.32x = 4,189,951,649.95
  5. Step 5: Solve for x
    x = 4,189,951,649.95/74,659.32
  6. Step 6: Final answer
    x = 56,120.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.