Home / 74,659.25-103,028.33-40,667.34

Finding the Fourth Proportional to 74,659.25, 103,028.33 and 40,667.34

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Solution

The fourth proportional to 74,659.25, 103,028.33 and 40,667.34 is: 56,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,659.25 : 103,028.33 = 40,667.34 : x
  2. Step 2: Convert to fraction form
    74,659.25/103,028.33 = 40,667.34/x
  3. Step 3: Cross multiply
    74,659.25x = 103,028.33 × 40,667.34
  4. Step 4: Simplify right side
    74,659.25x = 4,189,888,613.77
  5. Step 5: Solve for x
    x = 4,189,888,613.77/74,659.25
  6. Step 6: Final answer
    x = 56,120.15

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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.