Home / 92,255.41-138,404.13-29,075.20

Finding the Fourth Proportional to 92,255.41, 138,404.13 and 29,075.20

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Solution

The fourth proportional to 92,255.41, 138,404.13 and 29,075.20 is: 43,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,255.41 : 138,404.13 = 29,075.20 : x
  2. Step 2: Convert to fraction form
    92,255.41/138,404.13 = 29,075.20/x
  3. Step 3: Cross multiply
    92,255.41x = 138,404.13 × 29,075.20
  4. Step 4: Simplify right side
    92,255.41x = 4,024,127,760.58
  5. Step 5: Solve for x
    x = 4,024,127,760.58/92,255.41
  6. Step 6: Final answer
    x = 43,619.42

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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.