Home / 84,725.04-127,009.80-29,282.16

Finding the Fourth Proportional to 84,725.04, 127,009.80 and 29,282.16

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Solution

The fourth proportional to 84,725.04, 127,009.80 and 29,282.16 is: 43,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.04 : 127,009.80 = 29,282.16 : x
  2. Step 2: Convert to fraction form
    84,725.04/127,009.80 = 29,282.16/x
  3. Step 3: Cross multiply
    84,725.04x = 127,009.80 × 29,282.16
  4. Step 4: Simplify right side
    84,725.04x = 3,719,121,285.17
  5. Step 5: Solve for x
    x = 3,719,121,285.17/84,725.04
  6. Step 6: Final answer
    x = 43,896.37

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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.