Home / 51,112.46-70,560.65-39,601.55

Finding the Fourth Proportional to 51,112.46, 70,560.65 and 39,601.55

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Solution

The fourth proportional to 51,112.46, 70,560.65 and 39,601.55 is: 54,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.46 : 70,560.65 = 39,601.55 : x
  2. Step 2: Convert to fraction form
    51,112.46/70,560.65 = 39,601.55/x
  3. Step 3: Cross multiply
    51,112.46x = 70,560.65 × 39,601.55
  4. Step 4: Simplify right side
    51,112.46x = 2,794,311,384.41
  5. Step 5: Solve for x
    x = 2,794,311,384.41/51,112.46
  6. Step 6: Final answer
    x = 54,669.86

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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.