Home / 91,436.68-126,187.37-51,151.11

Finding the Fourth Proportional to 91,436.68, 126,187.37 and 51,151.11

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Solution

The fourth proportional to 91,436.68, 126,187.37 and 51,151.11 is: 70,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,436.68 : 126,187.37 = 51,151.11 : x
  2. Step 2: Convert to fraction form
    91,436.68/126,187.37 = 51,151.11/x
  3. Step 3: Cross multiply
    91,436.68x = 126,187.37 × 51,151.11
  4. Step 4: Simplify right side
    91,436.68x = 6,454,624,503.87
  5. Step 5: Solve for x
    x = 6,454,624,503.87/91,436.68
  6. Step 6: Final answer
    x = 70,591.19

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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.