Home / 63,686.42-87,895.36-36,823.74

Finding the Fourth Proportional to 63,686.42, 87,895.36 and 36,823.74

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Solution

The fourth proportional to 63,686.42, 87,895.36 and 36,823.74 is: 50,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,686.42 : 87,895.36 = 36,823.74 : x
  2. Step 2: Convert to fraction form
    63,686.42/87,895.36 = 36,823.74/x
  3. Step 3: Cross multiply
    63,686.42x = 87,895.36 × 36,823.74
  4. Step 4: Simplify right side
    63,686.42x = 3,236,635,908.85
  5. Step 5: Solve for x
    x = 3,236,635,908.85/63,686.42
  6. Step 6: Final answer
    x = 50,821.44

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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.