Home / 84,822.09-127,195.76-39,856.24

Finding the Fourth Proportional to 84,822.09, 127,195.76 and 39,856.24

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Solution

The fourth proportional to 84,822.09, 127,195.76 and 39,856.24 is: 59,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,822.09 : 127,195.76 = 39,856.24 : x
  2. Step 2: Convert to fraction form
    84,822.09/127,195.76 = 39,856.24/x
  3. Step 3: Cross multiply
    84,822.09x = 127,195.76 × 39,856.24
  4. Step 4: Simplify right side
    84,822.09x = 5,069,543,902.28
  5. Step 5: Solve for x
    x = 5,069,543,902.28/84,822.09
  6. Step 6: Final answer
    x = 59,766.79

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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.