Home / 62,103.74-85,653.32-40,591.76

Finding the Fourth Proportional to 62,103.74, 85,653.32 and 40,591.76

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Solution

The fourth proportional to 62,103.74, 85,653.32 and 40,591.76 is: 55,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,103.74 : 85,653.32 = 40,591.76 : x
  2. Step 2: Convert to fraction form
    62,103.74/85,653.32 = 40,591.76/x
  3. Step 3: Cross multiply
    62,103.74x = 85,653.32 × 40,591.76
  4. Step 4: Simplify right side
    62,103.74x = 3,476,818,377.42
  5. Step 5: Solve for x
    x = 3,476,818,377.42/62,103.74
  6. Step 6: Final answer
    x = 55,984.05

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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.