Home / 53,145.87-73,341.09-29,272.47

Finding the Fourth Proportional to 53,145.87, 73,341.09 and 29,272.47

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Solution

The fourth proportional to 53,145.87, 73,341.09 and 29,272.47 is: 40,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.87 : 73,341.09 = 29,272.47 : x
  2. Step 2: Convert to fraction form
    53,145.87/73,341.09 = 29,272.47/x
  3. Step 3: Cross multiply
    53,145.87x = 73,341.09 × 29,272.47
  4. Step 4: Simplify right side
    53,145.87x = 2,146,874,856.79
  5. Step 5: Solve for x
    x = 2,146,874,856.79/53,145.87
  6. Step 6: Final answer
    x = 40,395.89

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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.