Home / 72,352.10-108,521.82-22,431.08

Finding the Fourth Proportional to 72,352.10, 108,521.82 and 22,431.08

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Solution

The fourth proportional to 72,352.10, 108,521.82 and 22,431.08 is: 33,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,352.10 : 108,521.82 = 22,431.08 : x
  2. Step 2: Convert to fraction form
    72,352.10/108,521.82 = 22,431.08/x
  3. Step 3: Cross multiply
    72,352.10x = 108,521.82 × 22,431.08
  4. Step 4: Simplify right side
    72,352.10x = 2,434,261,626.17
  5. Step 5: Solve for x
    x = 2,434,261,626.17/72,352.10
  6. Step 6: Final answer
    x = 33,644.66

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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.