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Finding the Fourth Proportional to 70,168.89, 105,294.84 and 25,826.79

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Solution

The fourth proportional to 70,168.89, 105,294.84 and 25,826.79 is: 38,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.89 : 105,294.84 = 25,826.79 : x
  2. Step 2: Convert to fraction form
    70,168.89/105,294.84 = 25,826.79/x
  3. Step 3: Cross multiply
    70,168.89x = 105,294.84 × 25,826.79
  4. Step 4: Simplify right side
    70,168.89x = 2,719,427,720.76
  5. Step 5: Solve for x
    x = 2,719,427,720.76/70,168.89
  6. Step 6: Final answer
    x = 38,755.46

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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.