Home / 85,029.13-117,350.28-48,743.56

Finding the Fourth Proportional to 85,029.13, 117,350.28 and 48,743.56

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Solution

The fourth proportional to 85,029.13, 117,350.28 and 48,743.56 is: 67,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,029.13 : 117,350.28 = 48,743.56 : x
  2. Step 2: Convert to fraction form
    85,029.13/117,350.28 = 48,743.56/x
  3. Step 3: Cross multiply
    85,029.13x = 117,350.28 × 48,743.56
  4. Step 4: Simplify right side
    85,029.13x = 5,720,070,414.20
  5. Step 5: Solve for x
    x = 5,720,070,414.20/85,029.13
  6. Step 6: Final answer
    x = 67,271.89

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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.