Home / 58,819.16-81,170.93-31,961.66

Finding the Fourth Proportional to 58,819.16, 81,170.93 and 31,961.66

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Solution

The fourth proportional to 58,819.16, 81,170.93 and 31,961.66 is: 44,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,819.16 : 81,170.93 = 31,961.66 : x
  2. Step 2: Convert to fraction form
    58,819.16/81,170.93 = 31,961.66/x
  3. Step 3: Cross multiply
    58,819.16x = 81,170.93 × 31,961.66
  4. Step 4: Simplify right side
    58,819.16x = 2,594,357,709.66
  5. Step 5: Solve for x
    x = 2,594,357,709.66/58,819.16
  6. Step 6: Final answer
    x = 44,107.36

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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.