Home / 85,086.71-127,630.03-35,111.87

Finding the Fourth Proportional to 85,086.71, 127,630.03 and 35,111.87

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Solution

The fourth proportional to 85,086.71, 127,630.03 and 35,111.87 is: 52,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,086.71 : 127,630.03 = 35,111.87 : x
  2. Step 2: Convert to fraction form
    85,086.71/127,630.03 = 35,111.87/x
  3. Step 3: Cross multiply
    85,086.71x = 127,630.03 × 35,111.87
  4. Step 4: Simplify right side
    85,086.71x = 4,481,329,021.46
  5. Step 5: Solve for x
    x = 4,481,329,021.46/85,086.71
  6. Step 6: Final answer
    x = 52,667.79

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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.