Home / 66,979.08-92,432.10-37,171.08

Finding the Fourth Proportional to 66,979.08, 92,432.10 and 37,171.08

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Solution

The fourth proportional to 66,979.08, 92,432.10 and 37,171.08 is: 51,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,979.08 : 92,432.10 = 37,171.08 : x
  2. Step 2: Convert to fraction form
    66,979.08/92,432.10 = 37,171.08/x
  3. Step 3: Cross multiply
    66,979.08x = 92,432.10 × 37,171.08
  4. Step 4: Simplify right side
    66,979.08x = 3,435,800,983.67
  5. Step 5: Solve for x
    x = 3,435,800,983.67/66,979.08
  6. Step 6: Final answer
    x = 51,296.63

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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.