Home / 53,386.80-73,670.61-29,512.05

Finding the Fourth Proportional to 53,386.80, 73,670.61 and 29,512.05

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Solution

The fourth proportional to 53,386.80, 73,670.61 and 29,512.05 is: 40,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.80 : 73,670.61 = 29,512.05 : x
  2. Step 2: Convert to fraction form
    53,386.80/73,670.61 = 29,512.05/x
  3. Step 3: Cross multiply
    53,386.80x = 73,670.61 × 29,512.05
  4. Step 4: Simplify right side
    53,386.80x = 2,174,170,725.85
  5. Step 5: Solve for x
    x = 2,174,170,725.85/53,386.80
  6. Step 6: Final answer
    x = 40,724.87

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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.