Home / 107,547.96-161,181.78-54,913.08

Finding the Fourth Proportional to 107,547.96, 161,181.78 and 54,913.08

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Solution

The fourth proportional to 107,547.96, 161,181.78 and 54,913.08 is: 82,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,547.96 : 161,181.78 = 54,913.08 : x
  2. Step 2: Convert to fraction form
    107,547.96/161,181.78 = 54,913.08/x
  3. Step 3: Cross multiply
    107,547.96x = 161,181.78 × 54,913.08
  4. Step 4: Simplify right side
    107,547.96x = 8,850,987,979.68
  5. Step 5: Solve for x
    x = 8,850,987,979.68/107,547.96
  6. Step 6: Final answer
    x = 82,298.06

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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.