Home / 51,113.70-70,535.34-28,451.52

Finding the Fourth Proportional to 51,113.70, 70,535.34 and 28,451.52

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Solution

The fourth proportional to 51,113.70, 70,535.34 and 28,451.52 is: 39,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.70 : 70,535.34 = 28,451.52 : x
  2. Step 2: Convert to fraction form
    51,113.70/70,535.34 = 28,451.52/x
  3. Step 3: Cross multiply
    51,113.70x = 70,535.34 × 28,451.52
  4. Step 4: Simplify right side
    51,113.70x = 2,006,837,636.72
  5. Step 5: Solve for x
    x = 2,006,837,636.72/51,113.70
  6. Step 6: Final answer
    x = 39,262.23

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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.