Home / 107,689.86-161,543.07-32,816.34

Finding the Fourth Proportional to 107,689.86, 161,543.07 and 32,816.34

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Solution

The fourth proportional to 107,689.86, 161,543.07 and 32,816.34 is: 49,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,689.86 : 161,543.07 = 32,816.34 : x
  2. Step 2: Convert to fraction form
    107,689.86/161,543.07 = 32,816.34/x
  3. Step 3: Cross multiply
    107,689.86x = 161,543.07 × 32,816.34
  4. Step 4: Simplify right side
    107,689.86x = 5,301,252,309.76
  5. Step 5: Solve for x
    x = 5,301,252,309.76/107,689.86
  6. Step 6: Final answer
    x = 49,227.03

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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.