Home / 85,278.03-127,935.54-32,687.57

Finding the Fourth Proportional to 85,278.03, 127,935.54 and 32,687.57

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Solution

The fourth proportional to 85,278.03, 127,935.54 and 32,687.57 is: 49,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,278.03 : 127,935.54 = 32,687.57 : x
  2. Step 2: Convert to fraction form
    85,278.03/127,935.54 = 32,687.57/x
  3. Step 3: Cross multiply
    85,278.03x = 127,935.54 × 32,687.57
  4. Step 4: Simplify right side
    85,278.03x = 4,181,901,279.56
  5. Step 5: Solve for x
    x = 4,181,901,279.56/85,278.03
  6. Step 6: Final answer
    x = 49,038.44

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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.