Home / 88,099.25-121,677.87-58,019.03

Finding the Fourth Proportional to 88,099.25, 121,677.87 and 58,019.03

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Solution

The fourth proportional to 88,099.25, 121,677.87 and 58,019.03 is: 80,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.25 : 121,677.87 = 58,019.03 : x
  2. Step 2: Convert to fraction form
    88,099.25/121,677.87 = 58,019.03/x
  3. Step 3: Cross multiply
    88,099.25x = 121,677.87 × 58,019.03
  4. Step 4: Simplify right side
    88,099.25x = 7,059,631,989.87
  5. Step 5: Solve for x
    x = 7,059,631,989.87/88,099.25
  6. Step 6: Final answer
    x = 80,132.71

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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.