Home / 45,285.51-67,839.90-29,655.75

Finding the Fourth Proportional to 45,285.51, 67,839.90 and 29,655.75

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Solution

The fourth proportional to 45,285.51, 67,839.90 and 29,655.75 is: 44,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.51 : 67,839.90 = 29,655.75 : x
  2. Step 2: Convert to fraction form
    45,285.51/67,839.90 = 29,655.75/x
  3. Step 3: Cross multiply
    45,285.51x = 67,839.90 × 29,655.75
  4. Step 4: Simplify right side
    45,285.51x = 2,011,843,114.43
  5. Step 5: Solve for x
    x = 2,011,843,114.43/45,285.51
  6. Step 6: Final answer
    x = 44,425.76

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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.