Home / 85,035.11-117,353.29-48,742.59

Finding the Fourth Proportional to 85,035.11, 117,353.29 and 48,742.59

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Solution

The fourth proportional to 85,035.11, 117,353.29 and 48,742.59 is: 67,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,035.11 : 117,353.29 = 48,742.59 : x
  2. Step 2: Convert to fraction form
    85,035.11/117,353.29 = 48,742.59/x
  3. Step 3: Cross multiply
    85,035.11x = 117,353.29 × 48,742.59
  4. Step 4: Simplify right side
    85,035.11x = 5,720,103,299.62
  5. Step 5: Solve for x
    x = 5,720,103,299.62/85,035.11
  6. Step 6: Final answer
    x = 67,267.55

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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.