Home / 81,536.18-122,291.15-22,358.12

Finding the Fourth Proportional to 81,536.18, 122,291.15 and 22,358.12

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Solution

The fourth proportional to 81,536.18, 122,291.15 and 22,358.12 is: 33,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,536.18 : 122,291.15 = 22,358.12 : x
  2. Step 2: Convert to fraction form
    81,536.18/122,291.15 = 22,358.12/x
  3. Step 3: Cross multiply
    81,536.18x = 122,291.15 × 22,358.12
  4. Step 4: Simplify right side
    81,536.18x = 2,734,200,206.64
  5. Step 5: Solve for x
    x = 2,734,200,206.64/81,536.18
  6. Step 6: Final answer
    x = 33,533.58

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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.