Home / 77,799.11-107,364.89-47,583.88

Finding the Fourth Proportional to 77,799.11, 107,364.89 and 47,583.88

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Solution

The fourth proportional to 77,799.11, 107,364.89 and 47,583.88 is: 65,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799.11 : 107,364.89 = 47,583.88 : x
  2. Step 2: Convert to fraction form
    77,799.11/107,364.89 = 47,583.88/x
  3. Step 3: Cross multiply
    77,799.11x = 107,364.89 × 47,583.88
  4. Step 4: Simplify right side
    77,799.11x = 5,108,837,892.52
  5. Step 5: Solve for x
    x = 5,108,837,892.52/77,799.11
  6. Step 6: Final answer
    x = 65,667.05

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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.