Home / 107,839.40-161,730.30-32,959.40

Finding the Fourth Proportional to 107,839.40, 161,730.30 and 32,959.40

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Solution

The fourth proportional to 107,839.40, 161,730.30 and 32,959.40 is: 49,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839.40 : 161,730.30 = 32,959.40 : x
  2. Step 2: Convert to fraction form
    107,839.40/161,730.30 = 32,959.40/x
  3. Step 3: Cross multiply
    107,839.40x = 161,730.30 × 32,959.40
  4. Step 4: Simplify right side
    107,839.40x = 5,330,533,649.82
  5. Step 5: Solve for x
    x = 5,330,533,649.82/107,839.40
  6. Step 6: Final answer
    x = 49,430.30

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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.