Home / 66,329.24-91,565.62-42,469.74

Finding the Fourth Proportional to 66,329.24, 91,565.62 and 42,469.74

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Solution

The fourth proportional to 66,329.24, 91,565.62 and 42,469.74 is: 58,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,329.24 : 91,565.62 = 42,469.74 : x
  2. Step 2: Convert to fraction form
    66,329.24/91,565.62 = 42,469.74/x
  3. Step 3: Cross multiply
    66,329.24x = 91,565.62 × 42,469.74
  4. Step 4: Simplify right side
    66,329.24x = 3,888,768,074.34
  5. Step 5: Solve for x
    x = 3,888,768,074.34/66,329.24
  6. Step 6: Final answer
    x = 58,628.26

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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.