Home / 81,015.24-111,740.64-59,498.32

Finding the Fourth Proportional to 81,015.24, 111,740.64 and 59,498.32

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Solution

The fourth proportional to 81,015.24, 111,740.64 and 59,498.32 is: 82,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,015.24 : 111,740.64 = 59,498.32 : x
  2. Step 2: Convert to fraction form
    81,015.24/111,740.64 = 59,498.32/x
  3. Step 3: Cross multiply
    81,015.24x = 111,740.64 × 59,498.32
  4. Step 4: Simplify right side
    81,015.24x = 6,648,380,355.72
  5. Step 5: Solve for x
    x = 6,648,380,355.72/81,015.24
  6. Step 6: Final answer
    x = 82,063.33

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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.