Home / 99,986.47-150,035.06-59,906.96

Finding the Fourth Proportional to 99,986.47, 150,035.06 and 59,906.96

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Solution

The fourth proportional to 99,986.47, 150,035.06 and 59,906.96 is: 89,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,986.47 : 150,035.06 = 59,906.96 : x
  2. Step 2: Convert to fraction form
    99,986.47/150,035.06 = 59,906.96/x
  3. Step 3: Cross multiply
    99,986.47x = 150,035.06 × 59,906.96
  4. Step 4: Simplify right side
    99,986.47x = 8,988,144,338.02
  5. Step 5: Solve for x
    x = 8,988,144,338.02/99,986.47
  6. Step 6: Final answer
    x = 89,893.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.