Home / 67,488.90-93,135.38-37,274.98

Finding the Fourth Proportional to 67,488.90, 93,135.38 and 37,274.98

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Solution

The fourth proportional to 67,488.90, 93,135.38 and 37,274.98 is: 51,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,488.90 : 93,135.38 = 37,274.98 : x
  2. Step 2: Convert to fraction form
    67,488.90/93,135.38 = 37,274.98/x
  3. Step 3: Cross multiply
    67,488.90x = 93,135.38 × 37,274.98
  4. Step 4: Simplify right side
    67,488.90x = 3,471,619,426.79
  5. Step 5: Solve for x
    x = 3,471,619,426.79/67,488.90
  6. Step 6: Final answer
    x = 51,439.86

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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.