Home / 85,161.27-127,621.45-47,227.33

Finding the Fourth Proportional to 85,161.27, 127,621.45 and 47,227.33

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Solution

The fourth proportional to 85,161.27, 127,621.45 and 47,227.33 is: 70,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,161.27 : 127,621.45 = 47,227.33 : x
  2. Step 2: Convert to fraction form
    85,161.27/127,621.45 = 47,227.33/x
  3. Step 3: Cross multiply
    85,161.27x = 127,621.45 × 47,227.33
  4. Step 4: Simplify right side
    85,161.27x = 6,027,219,507.79
  5. Step 5: Solve for x
    x = 6,027,219,507.79/85,161.27
  6. Step 6: Final answer
    x = 70,774.19

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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.