Home / 84,996.14-127,408.14-42,748.56

Finding the Fourth Proportional to 84,996.14, 127,408.14 and 42,748.56

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Solution

The fourth proportional to 84,996.14, 127,408.14 and 42,748.56 is: 64,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,996.14 : 127,408.14 = 42,748.56 : x
  2. Step 2: Convert to fraction form
    84,996.14/127,408.14 = 42,748.56/x
  3. Step 3: Cross multiply
    84,996.14x = 127,408.14 × 42,748.56
  4. Step 4: Simplify right side
    84,996.14x = 5,446,514,517.28
  5. Step 5: Solve for x
    x = 5,446,514,517.28/84,996.14
  6. Step 6: Final answer
    x = 64,079.56

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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.