Home / 77,869.80-116,635.07-51,185.67

Finding the Fourth Proportional to 77,869.80, 116,635.07 and 51,185.67

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Solution

The fourth proportional to 77,869.80, 116,635.07 and 51,185.67 is: 76,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,869.80 : 116,635.07 = 51,185.67 : x
  2. Step 2: Convert to fraction form
    77,869.80/116,635.07 = 51,185.67/x
  3. Step 3: Cross multiply
    77,869.80x = 116,635.07 × 51,185.67
  4. Step 4: Simplify right side
    77,869.80x = 5,970,043,947.52
  5. Step 5: Solve for x
    x = 5,970,043,947.52/77,869.80
  6. Step 6: Final answer
    x = 76,667.00

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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.