Home / 77,617.07-107,112.51-43,623.56

Finding the Fourth Proportional to 77,617.07, 107,112.51 and 43,623.56

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Solution

The fourth proportional to 77,617.07, 107,112.51 and 43,623.56 is: 60,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,617.07 : 107,112.51 = 43,623.56 : x
  2. Step 2: Convert to fraction form
    77,617.07/107,112.51 = 43,623.56/x
  3. Step 3: Cross multiply
    77,617.07x = 107,112.51 × 43,623.56
  4. Step 4: Simplify right side
    77,617.07x = 4,672,628,471.17
  5. Step 5: Solve for x
    x = 4,672,628,471.17/77,617.07
  6. Step 6: Final answer
    x = 60,201.05

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1.5x scale

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.