Home / 66,293.73-91,468.85-42,085.53

Finding the Fourth Proportional to 66,293.73, 91,468.85 and 42,085.53

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Solution

The fourth proportional to 66,293.73, 91,468.85 and 42,085.53 is: 58,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,293.73 : 91,468.85 = 42,085.53 : x
  2. Step 2: Convert to fraction form
    66,293.73/91,468.85 = 42,085.53/x
  3. Step 3: Cross multiply
    66,293.73x = 91,468.85 × 42,085.53
  4. Step 4: Simplify right side
    66,293.73x = 3,849,514,820.31
  5. Step 5: Solve for x
    x = 3,849,514,820.31/66,293.73
  6. Step 6: Final answer
    x = 58,067.56

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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.