Home / 51,660.56-71,110.22-45,272.10

Finding the Fourth Proportional to 51,660.56, 71,110.22 and 45,272.10

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Solution

The fourth proportional to 51,660.56, 71,110.22 and 45,272.10 is: 62,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,660.56 : 71,110.22 = 45,272.10 : x
  2. Step 2: Convert to fraction form
    51,660.56/71,110.22 = 45,272.10/x
  3. Step 3: Cross multiply
    51,660.56x = 71,110.22 × 45,272.10
  4. Step 4: Simplify right side
    51,660.56x = 3,219,308,990.86
  5. Step 5: Solve for x
    x = 3,219,308,990.86/51,660.56
  6. Step 6: Final answer
    x = 62,316.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.