Home / 77,723.10-107,267.37-43,733.07

Finding the Fourth Proportional to 77,723.10, 107,267.37 and 43,733.07

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Solution

The fourth proportional to 77,723.10, 107,267.37 and 43,733.07 is: 60,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,723.10 : 107,267.37 = 43,733.07 : x
  2. Step 2: Convert to fraction form
    77,723.10/107,267.37 = 43,733.07/x
  3. Step 3: Cross multiply
    77,723.10x = 107,267.37 × 43,733.07
  4. Step 4: Simplify right side
    77,723.10x = 4,691,131,400.93
  5. Step 5: Solve for x
    x = 4,691,131,400.93/77,723.10
  6. Step 6: Final answer
    x = 60,356.98

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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.