Home / 45,278.76-67,909.16-22,783.44

Finding the Fourth Proportional to 45,278.76, 67,909.16 and 22,783.44

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Solution

The fourth proportional to 45,278.76, 67,909.16 and 22,783.44 is: 34,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,278.76 : 67,909.16 = 22,783.44 : x
  2. Step 2: Convert to fraction form
    45,278.76/67,909.16 = 22,783.44/x
  3. Step 3: Cross multiply
    45,278.76x = 67,909.16 × 22,783.44
  4. Step 4: Simplify right side
    45,278.76x = 1,547,204,158.39
  5. Step 5: Solve for x
    x = 1,547,204,158.39/45,278.76
  6. Step 6: Final answer
    x = 34,170.64

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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.