Home / 92,761.47-139,153.14-29,559.60

Finding the Fourth Proportional to 92,761.47, 139,153.14 and 29,559.60

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Solution

The fourth proportional to 92,761.47, 139,153.14 and 29,559.60 is: 44,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761.47 : 139,153.14 = 29,559.60 : x
  2. Step 2: Convert to fraction form
    92,761.47/139,153.14 = 29,559.60/x
  3. Step 3: Cross multiply
    92,761.47x = 139,153.14 × 29,559.60
  4. Step 4: Simplify right side
    92,761.47x = 4,113,311,157.14
  5. Step 5: Solve for x
    x = 4,113,311,157.14/92,761.47
  6. Step 6: Final answer
    x = 44,342.88

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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.