Home / 81,013.23-111,737.88-59,496.32

Finding the Fourth Proportional to 81,013.23, 111,737.88 and 59,496.32

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Solution

The fourth proportional to 81,013.23, 111,737.88 and 59,496.32 is: 82,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,013.23 : 111,737.88 = 59,496.32 : x
  2. Step 2: Convert to fraction form
    81,013.23/111,737.88 = 59,496.32/x
  3. Step 3: Cross multiply
    81,013.23x = 111,737.88 × 59,496.32
  4. Step 4: Simplify right side
    81,013.23x = 6,647,992,943.95
  5. Step 5: Solve for x
    x = 6,647,992,943.95/81,013.23
  6. Step 6: Final answer
    x = 82,060.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.