Home / 84,719.19-127,076.61-22,390.23

Finding the Fourth Proportional to 84,719.19, 127,076.61 and 22,390.23

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Solution

The fourth proportional to 84,719.19, 127,076.61 and 22,390.23 is: 33,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.19 : 127,076.61 = 22,390.23 : x
  2. Step 2: Convert to fraction form
    84,719.19/127,076.61 = 22,390.23/x
  3. Step 3: Cross multiply
    84,719.19x = 127,076.61 × 22,390.23
  4. Step 4: Simplify right side
    84,719.19x = 2,845,274,525.52
  5. Step 5: Solve for x
    x = 2,845,274,525.52/84,719.19
  6. Step 6: Final answer
    x = 33,584.77

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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.