Home / 81,933.12-122,898.66-44,730.24

Finding the Fourth Proportional to 81,933.12, 122,898.66 and 44,730.24

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Solution

The fourth proportional to 81,933.12, 122,898.66 and 44,730.24 is: 67,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,933.12 : 122,898.66 = 44,730.24 : x
  2. Step 2: Convert to fraction form
    81,933.12/122,898.66 = 44,730.24/x
  3. Step 3: Cross multiply
    81,933.12x = 122,898.66 × 44,730.24
  4. Step 4: Simplify right side
    81,933.12x = 5,497,286,557.48
  5. Step 5: Solve for x
    x = 5,497,286,557.48/81,933.12
  6. Step 6: Final answer
    x = 67,094.80

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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.