Home / 61,515.30-92,240.14-31,859.58

Finding the Fourth Proportional to 61,515.30, 92,240.14 and 31,859.58

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Solution

The fourth proportional to 61,515.30, 92,240.14 and 31,859.58 is: 47,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.30 : 92,240.14 = 31,859.58 : x
  2. Step 2: Convert to fraction form
    61,515.30/92,240.14 = 31,859.58/x
  3. Step 3: Cross multiply
    61,515.30x = 92,240.14 × 31,859.58
  4. Step 4: Simplify right side
    61,515.30x = 2,938,732,119.54
  5. Step 5: Solve for x
    x = 2,938,732,119.54/61,515.30
  6. Step 6: Final answer
    x = 47,772.38

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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.