Home / 66,358.98-99,579.38-26,916.44

Finding the Fourth Proportional to 66,358.98, 99,579.38 and 26,916.44

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Solution

The fourth proportional to 66,358.98, 99,579.38 and 26,916.44 is: 40,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,358.98 : 99,579.38 = 26,916.44 : x
  2. Step 2: Convert to fraction form
    66,358.98/99,579.38 = 26,916.44/x
  3. Step 3: Cross multiply
    66,358.98x = 99,579.38 × 26,916.44
  4. Step 4: Simplify right side
    66,358.98x = 2,680,321,774.53
  5. Step 5: Solve for x
    x = 2,680,321,774.53/66,358.98
  6. Step 6: Final answer
    x = 40,391.24

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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.