Home / 49,897.90-74,796.21-42,615.19

Finding the Fourth Proportional to 49,897.90, 74,796.21 and 42,615.19

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Solution

The fourth proportional to 49,897.90, 74,796.21 and 42,615.19 is: 63,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897.90 : 74,796.21 = 42,615.19 : x
  2. Step 2: Convert to fraction form
    49,897.90/74,796.21 = 42,615.19/x
  3. Step 3: Cross multiply
    49,897.90x = 74,796.21 × 42,615.19
  4. Step 4: Simplify right side
    49,897.90x = 3,187,454,700.43
  5. Step 5: Solve for x
    x = 3,187,454,700.43/49,897.90
  6. Step 6: Final answer
    x = 63,879.54

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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.