Home / 98,239.08-135,586.24-57,962.72

Finding the Fourth Proportional to 98,239.08, 135,586.24 and 57,962.72

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Solution

The fourth proportional to 98,239.08, 135,586.24 and 57,962.72 is: 79,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,239.08 : 135,586.24 = 57,962.72 : x
  2. Step 2: Convert to fraction form
    98,239.08/135,586.24 = 57,962.72/x
  3. Step 3: Cross multiply
    98,239.08x = 135,586.24 × 57,962.72
  4. Step 4: Simplify right side
    98,239.08x = 7,858,947,264.97
  5. Step 5: Solve for x
    x = 7,858,947,264.97/98,239.08
  6. Step 6: Final answer
    x = 79,998.18

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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.