Home / 77,759.94-116,672.70-38,317.38

Finding the Fourth Proportional to 77,759.94, 116,672.70 and 38,317.38

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Solution

The fourth proportional to 77,759.94, 116,672.70 and 38,317.38 is: 57,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,759.94 : 116,672.70 = 38,317.38 : x
  2. Step 2: Convert to fraction form
    77,759.94/116,672.70 = 38,317.38/x
  3. Step 3: Cross multiply
    77,759.94x = 116,672.70 × 38,317.38
  4. Step 4: Simplify right side
    77,759.94x = 4,470,592,181.53
  5. Step 5: Solve for x
    x = 4,470,592,181.53/77,759.94
  6. Step 6: Final answer
    x = 57,492.23

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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.