Home / 99,742.24-137,662.10-59,458.60

Finding the Fourth Proportional to 99,742.24, 137,662.10 and 59,458.60

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Solution

The fourth proportional to 99,742.24, 137,662.10 and 59,458.60 is: 82,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,742.24 : 137,662.10 = 59,458.60 : x
  2. Step 2: Convert to fraction form
    99,742.24/137,662.10 = 59,458.60/x
  3. Step 3: Cross multiply
    99,742.24x = 137,662.10 × 59,458.60
  4. Step 4: Simplify right side
    99,742.24x = 8,185,195,739.06
  5. Step 5: Solve for x
    x = 8,185,195,739.06/99,742.24
  6. Step 6: Final answer
    x = 82,063.48

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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.