Home / 84,769.90-126,860.52-52,735.82

Finding the Fourth Proportional to 84,769.90, 126,860.52 and 52,735.82

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Solution

The fourth proportional to 84,769.90, 126,860.52 and 52,735.82 is: 78,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,769.90 : 126,860.52 = 52,735.82 : x
  2. Step 2: Convert to fraction form
    84,769.90/126,860.52 = 52,735.82/x
  3. Step 3: Cross multiply
    84,769.90x = 126,860.52 × 52,735.82
  4. Step 4: Simplify right side
    84,769.90x = 6,690,093,547.83
  5. Step 5: Solve for x
    x = 6,690,093,547.83/84,769.90
  6. Step 6: Final answer
    x = 78,920.63

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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.