Home / 53,772.78-74,208.15-29,900.46

Finding the Fourth Proportional to 53,772.78, 74,208.15 and 29,900.46

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Solution

The fourth proportional to 53,772.78, 74,208.15 and 29,900.46 is: 41,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,772.78 : 74,208.15 = 29,900.46 : x
  2. Step 2: Convert to fraction form
    53,772.78/74,208.15 = 29,900.46/x
  3. Step 3: Cross multiply
    53,772.78x = 74,208.15 × 29,900.46
  4. Step 4: Simplify right side
    53,772.78x = 2,218,857,820.75
  5. Step 5: Solve for x
    x = 2,218,857,820.75/53,772.78
  6. Step 6: Final answer
    x = 41,263.59

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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.