Home / 67,490.12-93,137.13-37,274.75

Finding the Fourth Proportional to 67,490.12, 93,137.13 and 37,274.75

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Solution

The fourth proportional to 67,490.12, 93,137.13 and 37,274.75 is: 51,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,490.12 : 93,137.13 = 37,274.75 : x
  2. Step 2: Convert to fraction form
    67,490.12/93,137.13 = 37,274.75/x
  3. Step 3: Cross multiply
    67,490.12x = 93,137.13 × 37,274.75
  4. Step 4: Simplify right side
    67,490.12x = 3,471,663,236.47
  5. Step 5: Solve for x
    x = 3,471,663,236.47/67,490.12
  6. Step 6: Final answer
    x = 51,439.58

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1.5x scale

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.