Home / 55,569.72-76,722-49,591.08

Finding the Fourth Proportional to 55,569.72, 76,722 and 49,591.08

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Solution

The fourth proportional to 55,569.72, 76,722 and 49,591.08 is: 68,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,569.72 : 76,722 = 49,591.08 : x
  2. Step 2: Convert to fraction form
    55,569.72/76,722 = 49,591.08/x
  3. Step 3: Cross multiply
    55,569.72x = 76,722 × 49,591.08
  4. Step 4: Simplify right side
    55,569.72x = 3,804,726,839.76
  5. Step 5: Solve for x
    x = 3,804,726,839.76/55,569.72
  6. Step 6: Final answer
    x = 68,467.63

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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.