Home / 106,904.21-147,530.87-59,162

Finding the Fourth Proportional to 106,904.21, 147,530.87 and 59,162

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Solution

The fourth proportional to 106,904.21, 147,530.87 and 59,162 is: 81,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,904.21 : 147,530.87 = 59,162 : x
  2. Step 2: Convert to fraction form
    106,904.21/147,530.87 = 59,162/x
  3. Step 3: Cross multiply
    106,904.21x = 147,530.87 × 59,162
  4. Step 4: Simplify right side
    106,904.21x = 8,728,221,035.13
  5. Step 5: Solve for x
    x = 8,728,221,035.13/106,904.21
  6. Step 6: Final answer
    x = 81,645.25

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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.