Home / 65,895.40-90,935.70-35,680.96

Finding the Fourth Proportional to 65,895.40, 90,935.70 and 35,680.96

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Solution

The fourth proportional to 65,895.40, 90,935.70 and 35,680.96 is: 49,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.40 : 90,935.70 = 35,680.96 : x
  2. Step 2: Convert to fraction form
    65,895.40/90,935.70 = 35,680.96/x
  3. Step 3: Cross multiply
    65,895.40x = 90,935.70 × 35,680.96
  4. Step 4: Simplify right side
    65,895.40x = 3,244,673,074.27
  5. Step 5: Solve for x
    x = 3,244,673,074.27/65,895.40
  6. Step 6: Final answer
    x = 49,239.75

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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.