Home / 77,774.42-116,672.98-38,333.90

Finding the Fourth Proportional to 77,774.42, 116,672.98 and 38,333.90

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Solution

The fourth proportional to 77,774.42, 116,672.98 and 38,333.90 is: 57,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,774.42 : 116,672.98 = 38,333.90 : x
  2. Step 2: Convert to fraction form
    77,774.42/116,672.98 = 38,333.90/x
  3. Step 3: Cross multiply
    77,774.42x = 116,672.98 × 38,333.90
  4. Step 4: Simplify right side
    77,774.42x = 4,472,530,348.02
  5. Step 5: Solve for x
    x = 4,472,530,348.02/77,774.42
  6. Step 6: Final answer
    x = 57,506.44

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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.