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Finding the Fourth Proportional to 67,071.70, 100,587.54 and 22,084.77

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Solution

The fourth proportional to 67,071.70, 100,587.54 and 22,084.77 is: 33,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,071.70 : 100,587.54 = 22,084.77 : x
  2. Step 2: Convert to fraction form
    67,071.70/100,587.54 = 22,084.77/x
  3. Step 3: Cross multiply
    67,071.70x = 100,587.54 × 22,084.77
  4. Step 4: Simplify right side
    67,071.70x = 2,221,452,685.77
  5. Step 5: Solve for x
    x = 2,221,452,685.77/67,071.70
  6. Step 6: Final answer
    x = 33,120.57

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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.