Home / 98,235.72-135,581.67-57,959.46

Finding the Fourth Proportional to 98,235.72, 135,581.67 and 57,959.46

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Solution

The fourth proportional to 98,235.72, 135,581.67 and 57,959.46 is: 79,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,235.72 : 135,581.67 = 57,959.46 : x
  2. Step 2: Convert to fraction form
    98,235.72/135,581.67 = 57,959.46/x
  3. Step 3: Cross multiply
    98,235.72x = 135,581.67 × 57,959.46
  4. Step 4: Simplify right side
    98,235.72x = 7,858,240,379.10
  5. Step 5: Solve for x
    x = 7,858,240,379.10/98,235.72
  6. Step 6: Final answer
    x = 79,993.72

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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.