Home / 51,112.92-70,535.80-28,451.41

Finding the Fourth Proportional to 51,112.92, 70,535.80 and 28,451.41

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Solution

The fourth proportional to 51,112.92, 70,535.80 and 28,451.41 is: 39,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.92 : 70,535.80 = 28,451.41 : x
  2. Step 2: Convert to fraction form
    51,112.92/70,535.80 = 28,451.41/x
  3. Step 3: Cross multiply
    51,112.92x = 70,535.80 × 28,451.41
  4. Step 4: Simplify right side
    51,112.92x = 2,006,842,965.48
  5. Step 5: Solve for x
    x = 2,006,842,965.48/51,112.92
  6. Step 6: Final answer
    x = 39,262.93

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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.