Home / 88,941.28-122,769.88-51,230.56

Finding the Fourth Proportional to 88,941.28, 122,769.88 and 51,230.56

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Solution

The fourth proportional to 88,941.28, 122,769.88 and 51,230.56 is: 70,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,941.28 : 122,769.88 = 51,230.56 : x
  2. Step 2: Convert to fraction form
    88,941.28/122,769.88 = 51,230.56/x
  3. Step 3: Cross multiply
    88,941.28x = 122,769.88 × 51,230.56
  4. Step 4: Simplify right side
    88,941.28x = 6,289,569,703.53
  5. Step 5: Solve for x
    x = 6,289,569,703.53/88,941.28
  6. Step 6: Final answer
    x = 70,715.98

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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.