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Finding the Fourth Proportional to 53,452.67, 73,715.95 and 45,896.63

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Solution

The fourth proportional to 53,452.67, 73,715.95 and 45,896.63 is: 63,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,452.67 : 73,715.95 = 45,896.63 : x
  2. Step 2: Convert to fraction form
    53,452.67/73,715.95 = 45,896.63/x
  3. Step 3: Cross multiply
    53,452.67x = 73,715.95 × 45,896.63
  4. Step 4: Simplify right side
    53,452.67x = 3,383,313,682.25
  5. Step 5: Solve for x
    x = 3,383,313,682.25/53,452.67
  6. Step 6: Final answer
    x = 63,295.50

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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.