Home / 74,767.56-103,177.68-40,774.92

Finding the Fourth Proportional to 74,767.56, 103,177.68 and 40,774.92

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Solution

The fourth proportional to 74,767.56, 103,177.68 and 40,774.92 is: 56,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,767.56 : 103,177.68 = 40,774.92 : x
  2. Step 2: Convert to fraction form
    74,767.56/103,177.68 = 40,774.92/x
  3. Step 3: Cross multiply
    74,767.56x = 103,177.68 × 40,774.92
  4. Step 4: Simplify right side
    74,767.56x = 4,207,061,647.79
  5. Step 5: Solve for x
    x = 4,207,061,647.79/74,767.56
  6. Step 6: Final answer
    x = 56,268.54

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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.