Home / 81,043.52-111,840.19-45,233.52

Finding the Fourth Proportional to 81,043.52, 111,840.19 and 45,233.52

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Solution

The fourth proportional to 81,043.52, 111,840.19 and 45,233.52 is: 62,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,043.52 : 111,840.19 = 45,233.52 : x
  2. Step 2: Convert to fraction form
    81,043.52/111,840.19 = 45,233.52/x
  3. Step 3: Cross multiply
    81,043.52x = 111,840.19 × 45,233.52
  4. Step 4: Simplify right side
    81,043.52x = 5,058,925,822.22
  5. Step 5: Solve for x
    x = 5,058,925,822.22/81,043.52
  6. Step 6: Final answer
    x = 62,422.34

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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.