Home / 61,221.78-91,834.68-16,848.36

Finding the Fourth Proportional to 61,221.78, 91,834.68 and 16,848.36

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Solution

The fourth proportional to 61,221.78, 91,834.68 and 16,848.36 is: 25,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,221.78 : 91,834.68 = 16,848.36 : x
  2. Step 2: Convert to fraction form
    61,221.78/91,834.68 = 16,848.36/x
  3. Step 3: Cross multiply
    61,221.78x = 91,834.68 × 16,848.36
  4. Step 4: Simplify right side
    61,221.78x = 1,547,263,749.12
  5. Step 5: Solve for x
    x = 1,547,263,749.12/61,221.78
  6. Step 6: Final answer
    x = 25,273.09

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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.