Home / 92,505.72-138,762.45-29,324.46

Finding the Fourth Proportional to 92,505.72, 138,762.45 and 29,324.46

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Solution

The fourth proportional to 92,505.72, 138,762.45 and 29,324.46 is: 43,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,505.72 : 138,762.45 = 29,324.46 : x
  2. Step 2: Convert to fraction form
    92,505.72/138,762.45 = 29,324.46/x
  3. Step 3: Cross multiply
    92,505.72x = 138,762.45 × 29,324.46
  4. Step 4: Simplify right side
    92,505.72x = 4,069,133,914.53
  5. Step 5: Solve for x
    x = 4,069,133,914.53/92,505.72
  6. Step 6: Final answer
    x = 43,987.92

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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.