Home / 81,867.48-122,801.22-22,703.16

Finding the Fourth Proportional to 81,867.48, 122,801.22 and 22,703.16

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Solution

The fourth proportional to 81,867.48, 122,801.22 and 22,703.16 is: 34,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867.48 : 122,801.22 = 22,703.16 : x
  2. Step 2: Convert to fraction form
    81,867.48/122,801.22 = 22,703.16/x
  3. Step 3: Cross multiply
    81,867.48x = 122,801.22 × 22,703.16
  4. Step 4: Simplify right side
    81,867.48x = 2,787,975,745.86
  5. Step 5: Solve for x
    x = 2,787,975,745.86/81,867.48
  6. Step 6: Final answer
    x = 34,054.74

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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.