Home / 112,536.60-168,805.14-45,976.80

Finding the Fourth Proportional to 112,536.60, 168,805.14 and 45,976.80

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Solution

The fourth proportional to 112,536.60, 168,805.14 and 45,976.80 is: 68,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,536.60 : 168,805.14 = 45,976.80 : x
  2. Step 2: Convert to fraction form
    112,536.60/168,805.14 = 45,976.80/x
  3. Step 3: Cross multiply
    112,536.60x = 168,805.14 × 45,976.80
  4. Step 4: Simplify right side
    112,536.60x = 7,761,120,160.75
  5. Step 5: Solve for x
    x = 7,761,120,160.75/112,536.60
  6. Step 6: Final answer
    x = 68,965.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.