Home / 66,567.48-91,874.99-39,342.46

Finding the Fourth Proportional to 66,567.48, 91,874.99 and 39,342.46

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Solution

The fourth proportional to 66,567.48, 91,874.99 and 39,342.46 is: 54,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567.48 : 91,874.99 = 39,342.46 : x
  2. Step 2: Convert to fraction form
    66,567.48/91,874.99 = 39,342.46/x
  3. Step 3: Cross multiply
    66,567.48x = 91,874.99 × 39,342.46
  4. Step 4: Simplify right side
    66,567.48x = 3,614,587,987.74
  5. Step 5: Solve for x
    x = 3,614,587,987.74/66,567.48
  6. Step 6: Final answer
    x = 54,299.61

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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.