Home / 66,132.30-91,262.55-35,917.58

Finding the Fourth Proportional to 66,132.30, 91,262.55 and 35,917.58

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Solution

The fourth proportional to 66,132.30, 91,262.55 and 35,917.58 is: 49,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,132.30 : 91,262.55 = 35,917.58 : x
  2. Step 2: Convert to fraction form
    66,132.30/91,262.55 = 35,917.58/x
  3. Step 3: Cross multiply
    66,132.30x = 91,262.55 × 35,917.58
  4. Step 4: Simplify right side
    66,132.30x = 3,277,929,940.63
  5. Step 5: Solve for x
    x = 3,277,929,940.63/66,132.30
  6. Step 6: Final answer
    x = 49,566.25

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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.