Home / 61,274.83-91,865.62-31,673.79

Finding the Fourth Proportional to 61,274.83, 91,865.62 and 31,673.79

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Solution

The fourth proportional to 61,274.83, 91,865.62 and 31,673.79 is: 47,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,274.83 : 91,865.62 = 31,673.79 : x
  2. Step 2: Convert to fraction form
    61,274.83/91,865.62 = 31,673.79/x
  3. Step 3: Cross multiply
    61,274.83x = 91,865.62 × 31,673.79
  4. Step 4: Simplify right side
    61,274.83x = 2,909,732,356.10
  5. Step 5: Solve for x
    x = 2,909,732,356.10/61,274.83
  6. Step 6: Final answer
    x = 47,486.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.