Home / 66,731.08-92,053.38-41,251.72

Finding the Fourth Proportional to 66,731.08, 92,053.38 and 41,251.72

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Solution

The fourth proportional to 66,731.08, 92,053.38 and 41,251.72 is: 56,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731.08 : 92,053.38 = 41,251.72 : x
  2. Step 2: Convert to fraction form
    66,731.08/92,053.38 = 41,251.72/x
  3. Step 3: Cross multiply
    66,731.08x = 92,053.38 × 41,251.72
  4. Step 4: Simplify right side
    66,731.08x = 3,797,360,256.81
  5. Step 5: Solve for x
    x = 3,797,360,256.81/66,731.08
  6. Step 6: Final answer
    x = 56,905.42

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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.