Home / 107,566.79-161,350.18-28,681.29

Finding the Fourth Proportional to 107,566.79, 161,350.18 and 28,681.29

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Solution

The fourth proportional to 107,566.79, 161,350.18 and 28,681.29 is: 43,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,566.79 : 161,350.18 = 28,681.29 : x
  2. Step 2: Convert to fraction form
    107,566.79/161,350.18 = 28,681.29/x
  3. Step 3: Cross multiply
    107,566.79x = 161,350.18 × 28,681.29
  4. Step 4: Simplify right side
    107,566.79x = 4,627,731,232.43
  5. Step 5: Solve for x
    x = 4,627,731,232.43/107,566.79
  6. Step 6: Final answer
    x = 43,021.94

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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.