Home / 45,453.48-68,074.50-43,876.71

Finding the Fourth Proportional to 45,453.48, 68,074.50 and 43,876.71

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Solution

The fourth proportional to 45,453.48, 68,074.50 and 43,876.71 is: 65,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,453.48 : 68,074.50 = 43,876.71 : x
  2. Step 2: Convert to fraction form
    45,453.48/68,074.50 = 43,876.71/x
  3. Step 3: Cross multiply
    45,453.48x = 68,074.50 × 43,876.71
  4. Step 4: Simplify right side
    45,453.48x = 2,986,885,094.90
  5. Step 5: Solve for x
    x = 2,986,885,094.90/45,453.48
  6. Step 6: Final answer
    x = 65,713.01

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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.