Home / 84,259.98-126,389.61-34,328.94

Finding the Fourth Proportional to 84,259.98, 126,389.61 and 34,328.94

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Solution

The fourth proportional to 84,259.98, 126,389.61 and 34,328.94 is: 51,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259.98 : 126,389.61 = 34,328.94 : x
  2. Step 2: Convert to fraction form
    84,259.98/126,389.61 = 34,328.94/x
  3. Step 3: Cross multiply
    84,259.98x = 126,389.61 × 34,328.94
  4. Step 4: Simplify right side
    84,259.98x = 4,338,821,338.31
  5. Step 5: Solve for x
    x = 4,338,821,338.31/84,259.98
  6. Step 6: Final answer
    x = 51,493.26

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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.