Home / 91,824.27-137,736.18-51,825.12

Finding the Fourth Proportional to 91,824.27, 137,736.18 and 51,825.12

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Solution

The fourth proportional to 91,824.27, 137,736.18 and 51,825.12 is: 77,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,824.27 : 137,736.18 = 51,825.12 : x
  2. Step 2: Convert to fraction form
    91,824.27/137,736.18 = 51,825.12/x
  3. Step 3: Cross multiply
    91,824.27x = 137,736.18 × 51,825.12
  4. Step 4: Simplify right side
    91,824.27x = 7,138,194,056.84
  5. Step 5: Solve for x
    x = 7,138,194,056.84/91,824.27
  6. Step 6: Final answer
    x = 77,737.55

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Similar ratio
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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.