Home / 51,201.73-70,688.69-45,520.79

Finding the Fourth Proportional to 51,201.73, 70,688.69 and 45,520.79

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Solution

The fourth proportional to 51,201.73, 70,688.69 and 45,520.79 is: 62,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.73 : 70,688.69 = 45,520.79 : x
  2. Step 2: Convert to fraction form
    51,201.73/70,688.69 = 45,520.79/x
  3. Step 3: Cross multiply
    51,201.73x = 70,688.69 × 45,520.79
  4. Step 4: Simplify right side
    51,201.73x = 3,217,804,773.22
  5. Step 5: Solve for x
    x = 3,217,804,773.22/51,201.73
  6. Step 6: Final answer
    x = 62,845.63

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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.