Home / 53,118.48-73,205.86-49,747.76

Finding the Fourth Proportional to 53,118.48, 73,205.86 and 49,747.76

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Solution

The fourth proportional to 53,118.48, 73,205.86 and 49,747.76 is: 68,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,118.48 : 73,205.86 = 49,747.76 : x
  2. Step 2: Convert to fraction form
    53,118.48/73,205.86 = 49,747.76/x
  3. Step 3: Cross multiply
    53,118.48x = 73,205.86 × 49,747.76
  4. Step 4: Simplify right side
    53,118.48x = 3,641,827,553.87
  5. Step 5: Solve for x
    x = 3,641,827,553.87/53,118.48
  6. Step 6: Final answer
    x = 68,560.46

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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.