Home / 85,454.48-117,933.54-49,167.02

Finding the Fourth Proportional to 85,454.48, 117,933.54 and 49,167.02

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Solution

The fourth proportional to 85,454.48, 117,933.54 and 49,167.02 is: 67,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,454.48 : 117,933.54 = 49,167.02 : x
  2. Step 2: Convert to fraction form
    85,454.48/117,933.54 = 49,167.02/x
  3. Step 3: Cross multiply
    85,454.48x = 117,933.54 × 49,167.02
  4. Step 4: Simplify right side
    85,454.48x = 5,798,440,719.85
  5. Step 5: Solve for x
    x = 5,798,440,719.85/85,454.48
  6. Step 6: Final answer
    x = 67,854.15

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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.