Home / 53,821.95-74,274.29-31,162.12

Finding the Fourth Proportional to 53,821.95, 74,274.29 and 31,162.12

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Solution

The fourth proportional to 53,821.95, 74,274.29 and 31,162.12 is: 43,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,821.95 : 74,274.29 = 31,162.12 : x
  2. Step 2: Convert to fraction form
    53,821.95/74,274.29 = 31,162.12/x
  3. Step 3: Cross multiply
    53,821.95x = 74,274.29 × 31,162.12
  4. Step 4: Simplify right side
    53,821.95x = 2,314,544,182.08
  5. Step 5: Solve for x
    x = 2,314,544,182.08/53,821.95
  6. Step 6: Final answer
    x = 43,003.73

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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.