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Finding the Fourth Proportional to 75,157.67, 103,667.75 and 48,334.12

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Solution

The fourth proportional to 75,157.67, 103,667.75 and 48,334.12 is: 66,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,157.67 : 103,667.75 = 48,334.12 : x
  2. Step 2: Convert to fraction form
    75,157.67/103,667.75 = 48,334.12/x
  3. Step 3: Cross multiply
    75,157.67x = 103,667.75 × 48,334.12
  4. Step 4: Simplify right side
    75,157.67x = 5,010,689,149.04
  5. Step 5: Solve for x
    x = 5,010,689,149.04/75,157.67
  6. Step 6: Final answer
    x = 66,669.03

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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.