Home / 84,939.65-127,410.24-25,775.32

Finding the Fourth Proportional to 84,939.65, 127,410.24 and 25,775.32

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Solution

The fourth proportional to 84,939.65, 127,410.24 and 25,775.32 is: 38,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939.65 : 127,410.24 = 25,775.32 : x
  2. Step 2: Convert to fraction form
    84,939.65/127,410.24 = 25,775.32/x
  3. Step 3: Cross multiply
    84,939.65x = 127,410.24 × 25,775.32
  4. Step 4: Simplify right side
    84,939.65x = 3,284,039,220.98
  5. Step 5: Solve for x
    x = 3,284,039,220.98/84,939.65
  6. Step 6: Final answer
    x = 38,663.21

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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.