Home / 99,742.24-137,662.10-59,458.58

Finding the Fourth Proportional to 99,742.24, 137,662.10 and 59,458.58

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Solution

The fourth proportional to 99,742.24, 137,662.10 and 59,458.58 is: 82,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,742.24 : 137,662.10 = 59,458.58 : x
  2. Step 2: Convert to fraction form
    99,742.24/137,662.10 = 59,458.58/x
  3. Step 3: Cross multiply
    99,742.24x = 137,662.10 × 59,458.58
  4. Step 4: Simplify right side
    99,742.24x = 8,185,192,688.53
  5. Step 5: Solve for x
    x = 8,185,192,688.53/99,742.24
  6. Step 6: Final answer
    x = 82,063.45

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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.