Home / 53,929.88-74,423.48-31,282.28

Finding the Fourth Proportional to 53,929.88, 74,423.48 and 31,282.28

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Solution

The fourth proportional to 53,929.88, 74,423.48 and 31,282.28 is: 43,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,929.88 : 74,423.48 = 31,282.28 : x
  2. Step 2: Convert to fraction form
    53,929.88/74,423.48 = 31,282.28/x
  3. Step 3: Cross multiply
    53,929.88x = 74,423.48 × 31,282.28
  4. Step 4: Simplify right side
    53,929.88x = 2,328,135,611.41
  5. Step 5: Solve for x
    x = 2,328,135,611.41/53,929.88
  6. Step 6: Final answer
    x = 43,169.68

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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.