Home / 53,422.08-73,716-29,545.50

Finding the Fourth Proportional to 53,422.08, 73,716 and 29,545.50

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Solution

The fourth proportional to 53,422.08, 73,716 and 29,545.50 is: 40,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,422.08 : 73,716 = 29,545.50 : x
  2. Step 2: Convert to fraction form
    53,422.08/73,716 = 29,545.50/x
  3. Step 3: Cross multiply
    53,422.08x = 73,716 × 29,545.50
  4. Step 4: Simplify right side
    53,422.08x = 2,177,976,078
  5. Step 5: Solve for x
    x = 2,177,976,078/53,422.08
  6. Step 6: Final answer
    x = 40,769.21

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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.