Home / 85,147.48-117,483.96-48,832.12

Finding the Fourth Proportional to 85,147.48, 117,483.96 and 48,832.12

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Solution

The fourth proportional to 85,147.48, 117,483.96 and 48,832.12 is: 67,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,147.48 : 117,483.96 = 48,832.12 : x
  2. Step 2: Convert to fraction form
    85,147.48/117,483.96 = 48,832.12/x
  3. Step 3: Cross multiply
    85,147.48x = 117,483.96 × 48,832.12
  4. Step 4: Simplify right side
    85,147.48x = 5,736,990,832.80
  5. Step 5: Solve for x
    x = 5,736,990,832.80/85,147.48
  6. Step 6: Final answer
    x = 67,377.11

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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.