Home / 61,076.08-84,285.30-34,218.64

Finding the Fourth Proportional to 61,076.08, 84,285.30 and 34,218.64

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Solution

The fourth proportional to 61,076.08, 84,285.30 and 34,218.64 is: 47,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,076.08 : 84,285.30 = 34,218.64 : x
  2. Step 2: Convert to fraction form
    61,076.08/84,285.30 = 34,218.64/x
  3. Step 3: Cross multiply
    61,076.08x = 84,285.30 × 34,218.64
  4. Step 4: Simplify right side
    61,076.08x = 2,884,128,337.99
  5. Step 5: Solve for x
    x = 2,884,128,337.99/61,076.08
  6. Step 6: Final answer
    x = 47,221.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.