Home / 84,942.74-127,418.67-21,763.35

Finding the Fourth Proportional to 84,942.74, 127,418.67 and 21,763.35

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Solution

The fourth proportional to 84,942.74, 127,418.67 and 21,763.35 is: 32,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.74 : 127,418.67 = 21,763.35 : x
  2. Step 2: Convert to fraction form
    84,942.74/127,418.67 = 21,763.35/x
  3. Step 3: Cross multiply
    84,942.74x = 127,418.67 × 21,763.35
  4. Step 4: Simplify right side
    84,942.74x = 2,773,057,111.74
  5. Step 5: Solve for x
    x = 2,773,057,111.74/84,942.74
  6. Step 6: Final answer
    x = 32,646.19

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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.