Home / 53,829.06-74,280.91-31,166.43

Finding the Fourth Proportional to 53,829.06, 74,280.91 and 31,166.43

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Solution

The fourth proportional to 53,829.06, 74,280.91 and 31,166.43 is: 43,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,829.06 : 74,280.91 = 31,166.43 : x
  2. Step 2: Convert to fraction form
    53,829.06/74,280.91 = 31,166.43/x
  3. Step 3: Cross multiply
    53,829.06x = 74,280.91 × 31,166.43
  4. Step 4: Simplify right side
    53,829.06x = 2,315,070,781.85
  5. Step 5: Solve for x
    x = 2,315,070,781.85/53,829.06
  6. Step 6: Final answer
    x = 43,007.82

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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.