Home / 98,548.25-135,988.67-55,525.91

Finding the Fourth Proportional to 98,548.25, 135,988.67 and 55,525.91

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Solution

The fourth proportional to 98,548.25, 135,988.67 and 55,525.91 is: 76,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,548.25 : 135,988.67 = 55,525.91 : x
  2. Step 2: Convert to fraction form
    98,548.25/135,988.67 = 55,525.91/x
  3. Step 3: Cross multiply
    98,548.25x = 135,988.67 × 55,525.91
  4. Step 4: Simplify right side
    98,548.25x = 7,550,894,110.31
  5. Step 5: Solve for x
    x = 7,550,894,110.31/98,548.25
  6. Step 6: Final answer
    x = 76,621.29

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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.