Home / 99,025.56-136,656.62-54,316.44

Finding the Fourth Proportional to 99,025.56, 136,656.62 and 54,316.44

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Solution

The fourth proportional to 99,025.56, 136,656.62 and 54,316.44 is: 74,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,025.56 : 136,656.62 = 54,316.44 : x
  2. Step 2: Convert to fraction form
    99,025.56/136,656.62 = 54,316.44/x
  3. Step 3: Cross multiply
    99,025.56x = 136,656.62 × 54,316.44
  4. Step 4: Simplify right side
    99,025.56x = 7,422,701,100.83
  5. Step 5: Solve for x
    x = 7,422,701,100.83/99,025.56
  6. Step 6: Final answer
    x = 74,957.43

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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.