Home / 53,731.76-74,148.36-29,857.80

Finding the Fourth Proportional to 53,731.76, 74,148.36 and 29,857.80

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Solution

The fourth proportional to 53,731.76, 74,148.36 and 29,857.80 is: 41,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,731.76 : 74,148.36 = 29,857.80 : x
  2. Step 2: Convert to fraction form
    53,731.76/74,148.36 = 29,857.80/x
  3. Step 3: Cross multiply
    53,731.76x = 74,148.36 × 29,857.80
  4. Step 4: Simplify right side
    53,731.76x = 2,213,906,903.21
  5. Step 5: Solve for x
    x = 2,213,906,903.21/53,731.76
  6. Step 6: Final answer
    x = 41,202.95

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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.