Home / 85,256.56-127,921.68-45,767.52

Finding the Fourth Proportional to 85,256.56, 127,921.68 and 45,767.52

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Solution

The fourth proportional to 85,256.56, 127,921.68 and 45,767.52 is: 68,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,256.56 : 127,921.68 = 45,767.52 : x
  2. Step 2: Convert to fraction form
    85,256.56/127,921.68 = 45,767.52/x
  3. Step 3: Cross multiply
    85,256.56x = 127,921.68 × 45,767.52
  4. Step 4: Simplify right side
    85,256.56x = 5,854,658,047.83
  5. Step 5: Solve for x
    x = 5,854,658,047.83/85,256.56
  6. Step 6: Final answer
    x = 68,671.06

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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.