Home / 77,750.20-116,411.46-58,974.76

Finding the Fourth Proportional to 77,750.20, 116,411.46 and 58,974.76

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Solution

The fourth proportional to 77,750.20, 116,411.46 and 58,974.76 is: 88,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,750.20 : 116,411.46 = 58,974.76 : x
  2. Step 2: Convert to fraction form
    77,750.20/116,411.46 = 58,974.76/x
  3. Step 3: Cross multiply
    77,750.20x = 116,411.46 × 58,974.76
  4. Step 4: Simplify right side
    77,750.20x = 6,865,337,914.75
  5. Step 5: Solve for x
    x = 6,865,337,914.75/77,750.20
  6. Step 6: Final answer
    x = 88,299.94

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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.