Home / 88,716.28-122,423.25-50,990.53

Finding the Fourth Proportional to 88,716.28, 122,423.25 and 50,990.53

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Solution

The fourth proportional to 88,716.28, 122,423.25 and 50,990.53 is: 70,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,716.28 : 122,423.25 = 50,990.53 : x
  2. Step 2: Convert to fraction form
    88,716.28/122,423.25 = 50,990.53/x
  3. Step 3: Cross multiply
    88,716.28x = 122,423.25 × 50,990.53
  4. Step 4: Simplify right side
    88,716.28x = 6,242,426,401.82
  5. Step 5: Solve for x
    x = 6,242,426,401.82/88,716.28
  6. Step 6: Final answer
    x = 70,363.93

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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.