Home / 77,997.07-117,010.19-31,253.59

Finding the Fourth Proportional to 77,997.07, 117,010.19 and 31,253.59

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Solution

The fourth proportional to 77,997.07, 117,010.19 and 31,253.59 is: 46,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,997.07 : 117,010.19 = 31,253.59 : x
  2. Step 2: Convert to fraction form
    77,997.07/117,010.19 = 31,253.59/x
  3. Step 3: Cross multiply
    77,997.07x = 117,010.19 × 31,253.59
  4. Step 4: Simplify right side
    77,997.07x = 3,656,988,504.08
  5. Step 5: Solve for x
    x = 3,656,988,504.08/77,997.07
  6. Step 6: Final answer
    x = 46,886.23

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1.5x scale

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.