Home / 65,895.41-90,935.50-35,680.76

Finding the Fourth Proportional to 65,895.41, 90,935.50 and 35,680.76

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Solution

The fourth proportional to 65,895.41, 90,935.50 and 35,680.76 is: 49,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.41 : 90,935.50 = 35,680.76 : x
  2. Step 2: Convert to fraction form
    65,895.41/90,935.50 = 35,680.76/x
  3. Step 3: Cross multiply
    65,895.41x = 90,935.50 × 35,680.76
  4. Step 4: Simplify right side
    65,895.41x = 3,244,647,750.98
  5. Step 5: Solve for x
    x = 3,244,647,750.98/65,895.41
  6. Step 6: Final answer
    x = 49,239.36

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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.