Home / 84,744.12-127,116.90-21,564.30

Finding the Fourth Proportional to 84,744.12, 127,116.90 and 21,564.30

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Solution

The fourth proportional to 84,744.12, 127,116.90 and 21,564.30 is: 32,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744.12 : 127,116.90 = 21,564.30 : x
  2. Step 2: Convert to fraction form
    84,744.12/127,116.90 = 21,564.30/x
  3. Step 3: Cross multiply
    84,744.12x = 127,116.90 × 21,564.30
  4. Step 4: Simplify right side
    84,744.12x = 2,741,186,966.67
  5. Step 5: Solve for x
    x = 2,741,186,966.67/84,744.12
  6. Step 6: Final answer
    x = 32,346.63

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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.