Home / 91,303.20-126,037.22-55,504.64

Finding the Fourth Proportional to 91,303.20, 126,037.22 and 55,504.64

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Solution

The fourth proportional to 91,303.20, 126,037.22 and 55,504.64 is: 76,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303.20 : 126,037.22 = 55,504.64 : x
  2. Step 2: Convert to fraction form
    91,303.20/126,037.22 = 55,504.64/x
  3. Step 3: Cross multiply
    91,303.20x = 126,037.22 × 55,504.64
  4. Step 4: Simplify right side
    91,303.20x = 6,995,650,560.27
  5. Step 5: Solve for x
    x = 6,995,650,560.27/91,303.20
  6. Step 6: Final answer
    x = 76,619.99

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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.