Home / 61,919.57-85,475.16-41,803.69

Finding the Fourth Proportional to 61,919.57, 85,475.16 and 41,803.69

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Solution

The fourth proportional to 61,919.57, 85,475.16 and 41,803.69 is: 57,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919.57 : 85,475.16 = 41,803.69 : x
  2. Step 2: Convert to fraction form
    61,919.57/85,475.16 = 41,803.69/x
  3. Step 3: Cross multiply
    61,919.57x = 85,475.16 × 41,803.69
  4. Step 4: Simplify right side
    61,919.57x = 3,573,177,276.94
  5. Step 5: Solve for x
    x = 3,573,177,276.94/61,919.57
  6. Step 6: Final answer
    x = 57,706.76

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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.