Home / 66,924.24-100,405.56-25,375.44

Finding the Fourth Proportional to 66,924.24, 100,405.56 and 25,375.44

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Solution

The fourth proportional to 66,924.24, 100,405.56 and 25,375.44 is: 38,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.24 : 100,405.56 = 25,375.44 : x
  2. Step 2: Convert to fraction form
    66,924.24/100,405.56 = 25,375.44/x
  3. Step 3: Cross multiply
    66,924.24x = 100,405.56 × 25,375.44
  4. Step 4: Simplify right side
    66,924.24x = 2,547,835,263.45
  5. Step 5: Solve for x
    x = 2,547,835,263.45/66,924.24
  6. Step 6: Final answer
    x = 38,070.44

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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.