Home / 67,009.74-100,511.36-25,453.50

Finding the Fourth Proportional to 67,009.74, 100,511.36 and 25,453.50

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Solution

The fourth proportional to 67,009.74, 100,511.36 and 25,453.50 is: 38,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,009.74 : 100,511.36 = 25,453.50 : x
  2. Step 2: Convert to fraction form
    67,009.74/100,511.36 = 25,453.50/x
  3. Step 3: Cross multiply
    67,009.74x = 100,511.36 × 25,453.50
  4. Step 4: Simplify right side
    67,009.74x = 2,558,365,901.76
  5. Step 5: Solve for x
    x = 2,558,365,901.76/67,009.74
  6. Step 6: Final answer
    x = 38,179.02

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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.