Home / 57,098.52-78,776.82-33,220.08

Finding the Fourth Proportional to 57,098.52, 78,776.82 and 33,220.08

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Solution

The fourth proportional to 57,098.52, 78,776.82 and 33,220.08 is: 45,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098.52 : 78,776.82 = 33,220.08 : x
  2. Step 2: Convert to fraction form
    57,098.52/78,776.82 = 33,220.08/x
  3. Step 3: Cross multiply
    57,098.52x = 78,776.82 × 33,220.08
  4. Step 4: Simplify right side
    57,098.52x = 2,616,972,262.55
  5. Step 5: Solve for x
    x = 2,616,972,262.55/57,098.52
  6. Step 6: Final answer
    x = 45,832.58

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1.5x scale

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.