Home / 81,995.68-122,993.52-26,592.16

Finding the Fourth Proportional to 81,995.68, 122,993.52 and 26,592.16

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Solution

The fourth proportional to 81,995.68, 122,993.52 and 26,592.16 is: 39,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,995.68 : 122,993.52 = 26,592.16 : x
  2. Step 2: Convert to fraction form
    81,995.68/122,993.52 = 26,592.16/x
  3. Step 3: Cross multiply
    81,995.68x = 122,993.52 × 26,592.16
  4. Step 4: Simplify right side
    81,995.68x = 3,270,663,362.80
  5. Step 5: Solve for x
    x = 3,270,663,362.80/81,995.68
  6. Step 6: Final answer
    x = 39,888.24

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1.5x scale

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.