Home / 53,731.40-74,147.82-29,857.46

Finding the Fourth Proportional to 53,731.40, 74,147.82 and 29,857.46

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Solution

The fourth proportional to 53,731.40, 74,147.82 and 29,857.46 is: 41,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,731.40 : 74,147.82 = 29,857.46 : x
  2. Step 2: Convert to fraction form
    53,731.40/74,147.82 = 29,857.46/x
  3. Step 3: Cross multiply
    53,731.40x = 74,147.82 × 29,857.46
  4. Step 4: Simplify right side
    53,731.40x = 2,213,865,199.00
  5. Step 5: Solve for x
    x = 2,213,865,199.00/53,731.40
  6. Step 6: Final answer
    x = 41,202.45

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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.