Home / 98,057.04-135,314.70-55,614.66

Finding the Fourth Proportional to 98,057.04, 135,314.70 and 55,614.66

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Solution

The fourth proportional to 98,057.04, 135,314.70 and 55,614.66 is: 76,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,057.04 : 135,314.70 = 55,614.66 : x
  2. Step 2: Convert to fraction form
    98,057.04/135,314.70 = 55,614.66/x
  3. Step 3: Cross multiply
    98,057.04x = 135,314.70 × 55,614.66
  4. Step 4: Simplify right side
    98,057.04x = 7,525,481,033.50
  5. Step 5: Solve for x
    x = 7,525,481,033.50/98,057.04
  6. Step 6: Final answer
    x = 76,745.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.