Home / 77,476.20-115,922.70-51,232.20

Finding the Fourth Proportional to 77,476.20, 115,922.70 and 51,232.20

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Solution

The fourth proportional to 77,476.20, 115,922.70 and 51,232.20 is: 76,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,476.20 : 115,922.70 = 51,232.20 : x
  2. Step 2: Convert to fraction form
    77,476.20/115,922.70 = 51,232.20/x
  3. Step 3: Cross multiply
    77,476.20x = 115,922.70 × 51,232.20
  4. Step 4: Simplify right side
    77,476.20x = 5,938,974,950.94
  5. Step 5: Solve for x
    x = 5,938,974,950.94/77,476.20
  6. Step 6: Final answer
    x = 76,655.48

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1.5x scale

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.