Home / 45,820.58-68,614.20-30,190.82

Finding the Fourth Proportional to 45,820.58, 68,614.20 and 30,190.82

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Solution

The fourth proportional to 45,820.58, 68,614.20 and 30,190.82 is: 45,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.58 : 68,614.20 = 30,190.82 : x
  2. Step 2: Convert to fraction form
    45,820.58/68,614.20 = 30,190.82/x
  3. Step 3: Cross multiply
    45,820.58x = 68,614.20 × 30,190.82
  4. Step 4: Simplify right side
    45,820.58x = 2,071,518,961.64
  5. Step 5: Solve for x
    x = 2,071,518,961.64/45,820.58
  6. Step 6: Final answer
    x = 45,209.36

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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.