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Finding the Fourth Proportional to 67,109.76, 100,602.06 and 22,705.62

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Solution

The fourth proportional to 67,109.76, 100,602.06 and 22,705.62 is: 34,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,109.76 : 100,602.06 = 22,705.62 : x
  2. Step 2: Convert to fraction form
    67,109.76/100,602.06 = 22,705.62/x
  3. Step 3: Cross multiply
    67,109.76x = 100,602.06 × 22,705.62
  4. Step 4: Simplify right side
    67,109.76x = 2,284,232,145.58
  5. Step 5: Solve for x
    x = 2,284,232,145.58/67,109.76
  6. Step 6: Final answer
    x = 34,037.26

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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.