Home / 84,876.44-117,077.58-50,397.80

Finding the Fourth Proportional to 84,876.44, 117,077.58 and 50,397.80

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Solution

The fourth proportional to 84,876.44, 117,077.58 and 50,397.80 is: 69,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876.44 : 117,077.58 = 50,397.80 : x
  2. Step 2: Convert to fraction form
    84,876.44/117,077.58 = 50,397.80/x
  3. Step 3: Cross multiply
    84,876.44x = 117,077.58 × 50,397.80
  4. Step 4: Simplify right side
    84,876.44x = 5,900,451,875.94
  5. Step 5: Solve for x
    x = 5,900,451,875.94/84,876.44
  6. Step 6: Final answer
    x = 69,518.14

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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.