Home / 107,547.50-161,286.70-35,484.20

Finding the Fourth Proportional to 107,547.50, 161,286.70 and 35,484.20

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Solution

The fourth proportional to 107,547.50, 161,286.70 and 35,484.20 is: 53,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,547.50 : 161,286.70 = 35,484.20 : x
  2. Step 2: Convert to fraction form
    107,547.50/161,286.70 = 35,484.20/x
  3. Step 3: Cross multiply
    107,547.50x = 161,286.70 × 35,484.20
  4. Step 4: Simplify right side
    107,547.50x = 5,723,129,520.14
  5. Step 5: Solve for x
    x = 5,723,129,520.14/107,547.50
  6. Step 6: Final answer
    x = 53,214.90

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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.