Home / 84,725.43-127,066.77-34,819.31

Finding the Fourth Proportional to 84,725.43, 127,066.77 and 34,819.31

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Solution

The fourth proportional to 84,725.43, 127,066.77 and 34,819.31 is: 52,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.43 : 127,066.77 = 34,819.31 : x
  2. Step 2: Convert to fraction form
    84,725.43/127,066.77 = 34,819.31/x
  3. Step 3: Cross multiply
    84,725.43x = 127,066.77 × 34,819.31
  4. Step 4: Simplify right side
    84,725.43x = 4,424,376,619.99
  5. Step 5: Solve for x
    x = 4,424,376,619.99/84,725.43
  6. Step 6: Final answer
    x = 52,220.17

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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.