Home / 77,926.40-116,906.94-36,350.72

Finding the Fourth Proportional to 77,926.40, 116,906.94 and 36,350.72

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Solution

The fourth proportional to 77,926.40, 116,906.94 and 36,350.72 is: 54,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,926.40 : 116,906.94 = 36,350.72 : x
  2. Step 2: Convert to fraction form
    77,926.40/116,906.94 = 36,350.72/x
  3. Step 3: Cross multiply
    77,926.40x = 116,906.94 × 36,350.72
  4. Step 4: Simplify right side
    77,926.40x = 4,249,651,442.00
  5. Step 5: Solve for x
    x = 4,249,651,442.00/77,926.40
  6. Step 6: Final answer
    x = 54,534.17

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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.