Home / 61,047.90-91,424.21-52,781.04

Finding the Fourth Proportional to 61,047.90, 91,424.21 and 52,781.04

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Solution

The fourth proportional to 61,047.90, 91,424.21 and 52,781.04 is: 79,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,047.90 : 91,424.21 = 52,781.04 : x
  2. Step 2: Convert to fraction form
    61,047.90/91,424.21 = 52,781.04/x
  3. Step 3: Cross multiply
    61,047.90x = 91,424.21 × 52,781.04
  4. Step 4: Simplify right side
    61,047.90x = 4,825,464,884.98
  5. Step 5: Solve for x
    x = 4,825,464,884.98/61,047.90
  6. Step 6: Final answer
    x = 79,043.91

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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.