Home / 91,571.72-137,409.48-49,451.24

Finding the Fourth Proportional to 91,571.72, 137,409.48 and 49,451.24

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Solution

The fourth proportional to 91,571.72, 137,409.48 and 49,451.24 is: 74,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.72 : 137,409.48 = 49,451.24 : x
  2. Step 2: Convert to fraction form
    91,571.72/137,409.48 = 49,451.24/x
  3. Step 3: Cross multiply
    91,571.72x = 137,409.48 × 49,451.24
  4. Step 4: Simplify right side
    91,571.72x = 6,795,069,173.76
  5. Step 5: Solve for x
    x = 6,795,069,173.76/91,571.72
  6. Step 6: Final answer
    x = 74,204.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.