Home / 53,209.78-73,423.87-29,335.03

Finding the Fourth Proportional to 53,209.78, 73,423.87 and 29,335.03

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Solution

The fourth proportional to 53,209.78, 73,423.87 and 29,335.03 is: 40,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.78 : 73,423.87 = 29,335.03 : x
  2. Step 2: Convert to fraction form
    53,209.78/73,423.87 = 29,335.03/x
  3. Step 3: Cross multiply
    53,209.78x = 73,423.87 × 29,335.03
  4. Step 4: Simplify right side
    53,209.78x = 2,153,891,429.17
  5. Step 5: Solve for x
    x = 2,153,891,429.17/53,209.78
  6. Step 6: Final answer
    x = 40,479.24

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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.