Home / 61,203.66-84,439.38-39,995.22

Finding the Fourth Proportional to 61,203.66, 84,439.38 and 39,995.22

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Solution

The fourth proportional to 61,203.66, 84,439.38 and 39,995.22 is: 55,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,203.66 : 84,439.38 = 39,995.22 : x
  2. Step 2: Convert to fraction form
    61,203.66/84,439.38 = 39,995.22/x
  3. Step 3: Cross multiply
    61,203.66x = 84,439.38 × 39,995.22
  4. Step 4: Simplify right side
    61,203.66x = 3,377,171,579.76
  5. Step 5: Solve for x
    x = 3,377,171,579.76/61,203.66
  6. Step 6: Final answer
    x = 55,179.24

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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.