Home / 70,055.20-96,672.36-39,836.44

Finding the Fourth Proportional to 70,055.20, 96,672.36 and 39,836.44

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Solution

The fourth proportional to 70,055.20, 96,672.36 and 39,836.44 is: 54,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.20 : 96,672.36 = 39,836.44 : x
  2. Step 2: Convert to fraction form
    70,055.20/96,672.36 = 39,836.44/x
  3. Step 3: Cross multiply
    70,055.20x = 96,672.36 × 39,836.44
  4. Step 4: Simplify right side
    70,055.20x = 3,851,082,668.80
  5. Step 5: Solve for x
    x = 3,851,082,668.80/70,055.20
  6. Step 6: Final answer
    x = 54,972.12

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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.