Home / 98,655.74-136,158.24-55,644.06

Finding the Fourth Proportional to 98,655.74, 136,158.24 and 55,644.06

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Solution

The fourth proportional to 98,655.74, 136,158.24 and 55,644.06 is: 76,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655.74 : 136,158.24 = 55,644.06 : x
  2. Step 2: Convert to fraction form
    98,655.74/136,158.24 = 55,644.06/x
  3. Step 3: Cross multiply
    98,655.74x = 136,158.24 × 55,644.06
  4. Step 4: Simplify right side
    98,655.74x = 7,576,397,276.05
  5. Step 5: Solve for x
    x = 7,576,397,276.05/98,655.74
  6. Step 6: Final answer
    x = 76,796.31

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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.