Home / 91,331.15-126,037.79-50,494.62

Finding the Fourth Proportional to 91,331.15, 126,037.79 and 50,494.62

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Solution

The fourth proportional to 91,331.15, 126,037.79 and 50,494.62 is: 69,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,331.15 : 126,037.79 = 50,494.62 : x
  2. Step 2: Convert to fraction form
    91,331.15/126,037.79 = 50,494.62/x
  3. Step 3: Cross multiply
    91,331.15x = 126,037.79 × 50,494.62
  4. Step 4: Simplify right side
    91,331.15x = 6,364,230,059.22
  5. Step 5: Solve for x
    x = 6,364,230,059.22/91,331.15
  6. Step 6: Final answer
    x = 69,683.01

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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.