Home / 53,862.06-74,310.36-31,188.66

Finding the Fourth Proportional to 53,862.06, 74,310.36 and 31,188.66

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Solution

The fourth proportional to 53,862.06, 74,310.36 and 31,188.66 is: 43,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.06 : 74,310.36 = 31,188.66 : x
  2. Step 2: Convert to fraction form
    53,862.06/74,310.36 = 31,188.66/x
  3. Step 3: Cross multiply
    53,862.06x = 74,310.36 × 31,188.66
  4. Step 4: Simplify right side
    53,862.06x = 2,317,640,552.52
  5. Step 5: Solve for x
    x = 2,317,640,552.52/53,862.06
  6. Step 6: Final answer
    x = 43,029.19

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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.