Home / 81,395.27-112,226.22-59,819.32

Finding the Fourth Proportional to 81,395.27, 112,226.22 and 59,819.32

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Solution

The fourth proportional to 81,395.27, 112,226.22 and 59,819.32 is: 82,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,395.27 : 112,226.22 = 59,819.32 : x
  2. Step 2: Convert to fraction form
    81,395.27/112,226.22 = 59,819.32/x
  3. Step 3: Cross multiply
    81,395.27x = 112,226.22 × 59,819.32
  4. Step 4: Simplify right side
    81,395.27x = 6,713,296,138.61
  5. Step 5: Solve for x
    x = 6,713,296,138.61/81,395.27
  6. Step 6: Final answer
    x = 82,477.72

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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.