Home / 51,112.43-70,535.95-28,451.67

Finding the Fourth Proportional to 51,112.43, 70,535.95 and 28,451.67

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Solution

The fourth proportional to 51,112.43, 70,535.95 and 28,451.67 is: 39,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.43 : 70,535.95 = 28,451.67 : x
  2. Step 2: Convert to fraction form
    51,112.43/70,535.95 = 28,451.67/x
  3. Step 3: Cross multiply
    51,112.43x = 70,535.95 × 28,451.67
  4. Step 4: Simplify right side
    51,112.43x = 2,006,865,572.54
  5. Step 5: Solve for x
    x = 2,006,865,572.54/51,112.43
  6. Step 6: Final answer
    x = 39,263.75

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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.