Home / 85,296.20-117,670.70-49,465.44

Finding the Fourth Proportional to 85,296.20, 117,670.70 and 49,465.44

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Solution

The fourth proportional to 85,296.20, 117,670.70 and 49,465.44 is: 68,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,296.20 : 117,670.70 = 49,465.44 : x
  2. Step 2: Convert to fraction form
    85,296.20/117,670.70 = 49,465.44/x
  3. Step 3: Cross multiply
    85,296.20x = 117,670.70 × 49,465.44
  4. Step 4: Simplify right side
    85,296.20x = 5,820,632,703.28
  5. Step 5: Solve for x
    x = 5,820,632,703.28/85,296.20
  6. Step 6: Final answer
    x = 68,240.24

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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.