Home / 77,564.08-107,039.10-43,573.24

Finding the Fourth Proportional to 77,564.08, 107,039.10 and 43,573.24

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Solution

The fourth proportional to 77,564.08, 107,039.10 and 43,573.24 is: 60,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,564.08 : 107,039.10 = 43,573.24 : x
  2. Step 2: Convert to fraction form
    77,564.08/107,039.10 = 43,573.24/x
  3. Step 3: Cross multiply
    77,564.08x = 107,039.10 × 43,573.24
  4. Step 4: Simplify right side
    77,564.08x = 4,664,040,393.68
  5. Step 5: Solve for x
    x = 4,664,040,393.68/77,564.08
  6. Step 6: Final answer
    x = 60,131.45

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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.