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Finding the Fourth Proportional to 66,826.82, 92,219.52 and 37,752.47

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Solution

The fourth proportional to 66,826.82, 92,219.52 and 37,752.47 is: 52,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826.82 : 92,219.52 = 37,752.47 : x
  2. Step 2: Convert to fraction form
    66,826.82/92,219.52 = 37,752.47/x
  3. Step 3: Cross multiply
    66,826.82x = 92,219.52 × 37,752.47
  4. Step 4: Simplify right side
    66,826.82x = 3,481,514,662.21
  5. Step 5: Solve for x
    x = 3,481,514,662.21/66,826.82
  6. Step 6: Final answer
    x = 52,097.57

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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.