Home / 66,920.72-92,390.64-41,804.24

Finding the Fourth Proportional to 66,920.72, 92,390.64 and 41,804.24

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Solution

The fourth proportional to 66,920.72, 92,390.64 and 41,804.24 is: 57,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,920.72 : 92,390.64 = 41,804.24 : x
  2. Step 2: Convert to fraction form
    66,920.72/92,390.64 = 41,804.24/x
  3. Step 3: Cross multiply
    66,920.72x = 92,390.64 × 41,804.24
  4. Step 4: Simplify right side
    66,920.72x = 3,862,320,488.31
  5. Step 5: Solve for x
    x = 3,862,320,488.31/66,920.72
  6. Step 6: Final answer
    x = 57,714.87

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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.