Home / 53,545.10-73,889.55-29,671.56

Finding the Fourth Proportional to 53,545.10, 73,889.55 and 29,671.56

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Solution

The fourth proportional to 53,545.10, 73,889.55 and 29,671.56 is: 40,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,545.10 : 73,889.55 = 29,671.56 : x
  2. Step 2: Convert to fraction form
    53,545.10/73,889.55 = 29,671.56/x
  3. Step 3: Cross multiply
    53,545.10x = 73,889.55 × 29,671.56
  4. Step 4: Simplify right side
    53,545.10x = 2,192,418,216.20
  5. Step 5: Solve for x
    x = 2,192,418,216.20/53,545.10
  6. Step 6: Final answer
    x = 40,945.27

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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.