Home / 66,758.89-100,172.85-29,345.23

Finding the Fourth Proportional to 66,758.89, 100,172.85 and 29,345.23

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Solution

The fourth proportional to 66,758.89, 100,172.85 and 29,345.23 is: 44,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,758.89 : 100,172.85 = 29,345.23 : x
  2. Step 2: Convert to fraction form
    66,758.89/100,172.85 = 29,345.23/x
  3. Step 3: Cross multiply
    66,758.89x = 100,172.85 × 29,345.23
  4. Step 4: Simplify right side
    66,758.89x = 2,939,595,323.01
  5. Step 5: Solve for x
    x = 2,939,595,323.01/66,758.89
  6. Step 6: Final answer
    x = 44,033.02

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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.