Home / 84,007.09-126,029.04-61,752.97

Finding the Fourth Proportional to 84,007.09, 126,029.04 and 61,752.97

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Solution

The fourth proportional to 84,007.09, 126,029.04 and 61,752.97 is: 92,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,007.09 : 126,029.04 = 61,752.97 : x
  2. Step 2: Convert to fraction form
    84,007.09/126,029.04 = 61,752.97/x
  3. Step 3: Cross multiply
    84,007.09x = 126,029.04 × 61,752.97
  4. Step 4: Simplify right side
    84,007.09x = 7,782,667,526.25
  5. Step 5: Solve for x
    x = 7,782,667,526.25/84,007.09
  6. Step 6: Final answer
    x = 92,642.98

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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.