Home / 85,193.68-117,567.76-49,404.94

Finding the Fourth Proportional to 85,193.68, 117,567.76 and 49,404.94

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Solution

The fourth proportional to 85,193.68, 117,567.76 and 49,404.94 is: 68,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.68 : 117,567.76 = 49,404.94 : x
  2. Step 2: Convert to fraction form
    85,193.68/117,567.76 = 49,404.94/x
  3. Step 3: Cross multiply
    85,193.68x = 117,567.76 × 49,404.94
  4. Step 4: Simplify right side
    85,193.68x = 5,808,428,128.73
  5. Step 5: Solve for x
    x = 5,808,428,128.73/85,193.68
  6. Step 6: Final answer
    x = 68,179.10

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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.