Home / 63,427.38-87,388.80-41,878.74

Finding the Fourth Proportional to 63,427.38, 87,388.80 and 41,878.74

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Solution

The fourth proportional to 63,427.38, 87,388.80 and 41,878.74 is: 57,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,427.38 : 87,388.80 = 41,878.74 : x
  2. Step 2: Convert to fraction form
    63,427.38/87,388.80 = 41,878.74/x
  3. Step 3: Cross multiply
    63,427.38x = 87,388.80 × 41,878.74
  4. Step 4: Simplify right side
    63,427.38x = 3,659,732,834.11
  5. Step 5: Solve for x
    x = 3,659,732,834.11/63,427.38
  6. Step 6: Final answer
    x = 57,699.57

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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.