Home / 91,776.30-126,651.39-53,562.12

Finding the Fourth Proportional to 91,776.30, 126,651.39 and 53,562.12

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Solution

The fourth proportional to 91,776.30, 126,651.39 and 53,562.12 is: 73,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,776.30 : 126,651.39 = 53,562.12 : x
  2. Step 2: Convert to fraction form
    91,776.30/126,651.39 = 53,562.12/x
  3. Step 3: Cross multiply
    91,776.30x = 126,651.39 × 53,562.12
  4. Step 4: Simplify right side
    91,776.30x = 6,783,716,949.35
  5. Step 5: Solve for x
    x = 6,783,716,949.35/91,776.30
  6. Step 6: Final answer
    x = 73,915.78

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1.5x scale

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.