Home / 77,740.92-116,598.88-27,811.72

Finding the Fourth Proportional to 77,740.92, 116,598.88 and 27,811.72

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Solution

The fourth proportional to 77,740.92, 116,598.88 and 27,811.72 is: 41,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,740.92 : 116,598.88 = 27,811.72 : x
  2. Step 2: Convert to fraction form
    77,740.92/116,598.88 = 27,811.72/x
  3. Step 3: Cross multiply
    77,740.92x = 116,598.88 × 27,811.72
  4. Step 4: Simplify right side
    77,740.92x = 3,242,815,402.87
  5. Step 5: Solve for x
    x = 3,242,815,402.87/77,740.92
  6. Step 6: Final answer
    x = 41,713.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.