Home / 69,612.36-104,387.52-22,218.72

Finding the Fourth Proportional to 69,612.36, 104,387.52 and 22,218.72

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Solution

The fourth proportional to 69,612.36, 104,387.52 and 22,218.72 is: 33,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.36 : 104,387.52 = 22,218.72 : x
  2. Step 2: Convert to fraction form
    69,612.36/104,387.52 = 22,218.72/x
  3. Step 3: Cross multiply
    69,612.36x = 104,387.52 × 22,218.72
  4. Step 4: Simplify right side
    69,612.36x = 2,319,357,078.37
  5. Step 5: Solve for x
    x = 2,319,357,078.37/69,612.36
  6. Step 6: Final answer
    x = 33,318.18

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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.