Home / 105,561.55-158,324.50-29,642.68

Finding the Fourth Proportional to 105,561.55, 158,324.50 and 29,642.68

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Solution

The fourth proportional to 105,561.55, 158,324.50 and 29,642.68 is: 44,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,561.55 : 158,324.50 = 29,642.68 : x
  2. Step 2: Convert to fraction form
    105,561.55/158,324.50 = 29,642.68/x
  3. Step 3: Cross multiply
    105,561.55x = 158,324.50 × 29,642.68
  4. Step 4: Simplify right side
    105,561.55x = 4,693,162,489.66
  5. Step 5: Solve for x
    x = 4,693,162,489.66/105,561.55
  6. Step 6: Final answer
    x = 44,459.01

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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.