Home / 81,462.14-122,193.28-22,298.30

Finding the Fourth Proportional to 81,462.14, 122,193.28 and 22,298.30

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Solution

The fourth proportional to 81,462.14, 122,193.28 and 22,298.30 is: 33,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,462.14 : 122,193.28 = 22,298.30 : x
  2. Step 2: Convert to fraction form
    81,462.14/122,193.28 = 22,298.30/x
  3. Step 3: Cross multiply
    81,462.14x = 122,193.28 × 22,298.30
  4. Step 4: Simplify right side
    81,462.14x = 2,724,702,303.93
  5. Step 5: Solve for x
    x = 2,724,702,303.93/81,462.14
  6. Step 6: Final answer
    x = 33,447.47

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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.