Home / 42,665.26-63,858.46-38,572.84

Finding the Fourth Proportional to 42,665.26, 63,858.46 and 38,572.84

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Solution

The fourth proportional to 42,665.26, 63,858.46 and 38,572.84 is: 57,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,665.26 : 63,858.46 = 38,572.84 : x
  2. Step 2: Convert to fraction form
    42,665.26/63,858.46 = 38,572.84/x
  3. Step 3: Cross multiply
    42,665.26x = 63,858.46 × 38,572.84
  4. Step 4: Simplify right side
    42,665.26x = 2,463,202,160.23
  5. Step 5: Solve for x
    x = 2,463,202,160.23/42,665.26
  6. Step 6: Final answer
    x = 57,733.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.