Home / 61,821.74-92,731.59-19,701.26

Finding the Fourth Proportional to 61,821.74, 92,731.59 and 19,701.26

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Solution

The fourth proportional to 61,821.74, 92,731.59 and 19,701.26 is: 29,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.74 : 92,731.59 = 19,701.26 : x
  2. Step 2: Convert to fraction form
    61,821.74/92,731.59 = 19,701.26/x
  3. Step 3: Cross multiply
    61,821.74x = 92,731.59 × 19,701.26
  4. Step 4: Simplify right side
    61,821.74x = 1,826,928,701.15
  5. Step 5: Solve for x
    x = 1,826,928,701.15/61,821.74
  6. Step 6: Final answer
    x = 29,551.56

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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.