Home / 67,880.74-93,672.18-37,665.70

Finding the Fourth Proportional to 67,880.74, 93,672.18 and 37,665.70

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Solution

The fourth proportional to 67,880.74, 93,672.18 and 37,665.70 is: 51,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880.74 : 93,672.18 = 37,665.70 : x
  2. Step 2: Convert to fraction form
    67,880.74/93,672.18 = 37,665.70/x
  3. Step 3: Cross multiply
    67,880.74x = 93,672.18 × 37,665.70
  4. Step 4: Simplify right side
    67,880.74x = 3,528,228,230.23
  5. Step 5: Solve for x
    x = 3,528,228,230.23/67,880.74
  6. Step 6: Final answer
    x = 51,976.87

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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.