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Finding the Fourth Proportional to 75,604.60, 113,412.42 and 25,664.44

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Solution

The fourth proportional to 75,604.60, 113,412.42 and 25,664.44 is: 38,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,604.60 : 113,412.42 = 25,664.44 : x
  2. Step 2: Convert to fraction form
    75,604.60/113,412.42 = 25,664.44/x
  3. Step 3: Cross multiply
    75,604.60x = 113,412.42 × 25,664.44
  4. Step 4: Simplify right side
    75,604.60x = 2,910,666,248.34
  5. Step 5: Solve for x
    x = 2,910,666,248.34/75,604.60
  6. Step 6: Final answer
    x = 38,498.53

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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.