Home / 47,825.76-66,001.68-39,854.64

Finding the Fourth Proportional to 47,825.76, 66,001.68 and 39,854.64

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Solution

The fourth proportional to 47,825.76, 66,001.68 and 39,854.64 is: 55,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,825.76 : 66,001.68 = 39,854.64 : x
  2. Step 2: Convert to fraction form
    47,825.76/66,001.68 = 39,854.64/x
  3. Step 3: Cross multiply
    47,825.76x = 66,001.68 × 39,854.64
  4. Step 4: Simplify right side
    47,825.76x = 2,630,473,195.80
  5. Step 5: Solve for x
    x = 2,630,473,195.80/47,825.76
  6. Step 6: Final answer
    x = 55,001.18

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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.