Home / 66,297.85-99,288.49-38,158.76

Finding the Fourth Proportional to 66,297.85, 99,288.49 and 38,158.76

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Solution

The fourth proportional to 66,297.85, 99,288.49 and 38,158.76 is: 57,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297.85 : 99,288.49 = 38,158.76 : x
  2. Step 2: Convert to fraction form
    66,297.85/99,288.49 = 38,158.76/x
  3. Step 3: Cross multiply
    66,297.85x = 99,288.49 × 38,158.76
  4. Step 4: Simplify right side
    66,297.85x = 3,788,725,165.56
  5. Step 5: Solve for x
    x = 3,788,725,165.56/66,297.85
  6. Step 6: Final answer
    x = 57,147.03

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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.