Home / 85,231.04-127,863.84-29,865.92

Finding the Fourth Proportional to 85,231.04, 127,863.84 and 29,865.92

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Solution

The fourth proportional to 85,231.04, 127,863.84 and 29,865.92 is: 44,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.04 : 127,863.84 = 29,865.92 : x
  2. Step 2: Convert to fraction form
    85,231.04/127,863.84 = 29,865.92/x
  3. Step 3: Cross multiply
    85,231.04x = 127,863.84 × 29,865.92
  4. Step 4: Simplify right side
    85,231.04x = 3,818,771,216.33
  5. Step 5: Solve for x
    x = 3,818,771,216.33/85,231.04
  6. Step 6: Final answer
    x = 44,804.94

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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.