Home / 51,158.71-76,737.96-51,084.79

Finding the Fourth Proportional to 51,158.71, 76,737.96 and 51,084.79

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Solution

The fourth proportional to 51,158.71, 76,737.96 and 51,084.79 is: 76,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158.71 : 76,737.96 = 51,084.79 : x
  2. Step 2: Convert to fraction form
    51,158.71/76,737.96 = 51,084.79/x
  3. Step 3: Cross multiply
    51,158.71x = 76,737.96 × 51,084.79
  4. Step 4: Simplify right side
    51,158.71x = 3,920,142,344.02
  5. Step 5: Solve for x
    x = 3,920,142,344.02/51,158.71
  6. Step 6: Final answer
    x = 76,627.07

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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.