Home / 42,422.31-58,669.65-37,107.90

Finding the Fourth Proportional to 42,422.31, 58,669.65 and 37,107.90

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Solution

The fourth proportional to 42,422.31, 58,669.65 and 37,107.90 is: 51,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422.31 : 58,669.65 = 37,107.90 : x
  2. Step 2: Convert to fraction form
    42,422.31/58,669.65 = 37,107.90/x
  3. Step 3: Cross multiply
    42,422.31x = 58,669.65 × 37,107.90
  4. Step 4: Simplify right side
    42,422.31x = 2,177,107,505.24
  5. Step 5: Solve for x
    x = 2,177,107,505.24/42,422.31
  6. Step 6: Final answer
    x = 51,319.87

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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.