Home / 42,069.60-63,101.88-15,772.14

Finding the Fourth Proportional to 42,069.60, 63,101.88 and 15,772.14

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Solution

The fourth proportional to 42,069.60, 63,101.88 and 15,772.14 is: 23,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,069.60 : 63,101.88 = 15,772.14 : x
  2. Step 2: Convert to fraction form
    42,069.60/63,101.88 = 15,772.14/x
  3. Step 3: Cross multiply
    42,069.60x = 63,101.88 × 15,772.14
  4. Step 4: Simplify right side
    42,069.60x = 995,251,685.62
  5. Step 5: Solve for x
    x = 995,251,685.62/42,069.60
  6. Step 6: Final answer
    x = 23,657.27

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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.