Home / 107,911.40-161,867.10-33,031.40

Finding the Fourth Proportional to 107,911.40, 161,867.10 and 33,031.40

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Solution

The fourth proportional to 107,911.40, 161,867.10 and 33,031.40 is: 49,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.40 : 161,867.10 = 33,031.40 : x
  2. Step 2: Convert to fraction form
    107,911.40/161,867.10 = 33,031.40/x
  3. Step 3: Cross multiply
    107,911.40x = 161,867.10 × 33,031.40
  4. Step 4: Simplify right side
    107,911.40x = 5,346,696,926.94
  5. Step 5: Solve for x
    x = 5,346,696,926.94/107,911.40
  6. Step 6: Final answer
    x = 49,547.10

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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.