Home / 61,281.45-84,571.43-34,422.57

Finding the Fourth Proportional to 61,281.45, 84,571.43 and 34,422.57

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Solution

The fourth proportional to 61,281.45, 84,571.43 and 34,422.57 is: 47,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,281.45 : 84,571.43 = 34,422.57 : x
  2. Step 2: Convert to fraction form
    61,281.45/84,571.43 = 34,422.57/x
  3. Step 3: Cross multiply
    61,281.45x = 84,571.43 × 34,422.57
  4. Step 4: Simplify right side
    61,281.45x = 2,911,165,797.06
  5. Step 5: Solve for x
    x = 2,911,165,797.06/61,281.45
  6. Step 6: Final answer
    x = 47,504.85

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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.