Home / 77,931.64-107,548.14-44,399.80

Finding the Fourth Proportional to 77,931.64, 107,548.14 and 44,399.80

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Solution

The fourth proportional to 77,931.64, 107,548.14 and 44,399.80 is: 61,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,931.64 : 107,548.14 = 44,399.80 : x
  2. Step 2: Convert to fraction form
    77,931.64/107,548.14 = 44,399.80/x
  3. Step 3: Cross multiply
    77,931.64x = 107,548.14 × 44,399.80
  4. Step 4: Simplify right side
    77,931.64x = 4,775,115,906.37
  5. Step 5: Solve for x
    x = 4,775,115,906.37/77,931.64
  6. Step 6: Final answer
    x = 61,273.14

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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.