Home / 66,125.04-99,202.16-21,765.44

Finding the Fourth Proportional to 66,125.04, 99,202.16 and 21,765.44

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Solution

The fourth proportional to 66,125.04, 99,202.16 and 21,765.44 is: 32,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.04 : 99,202.16 = 21,765.44 : x
  2. Step 2: Convert to fraction form
    66,125.04/99,202.16 = 21,765.44/x
  3. Step 3: Cross multiply
    66,125.04x = 99,202.16 × 21,765.44
  4. Step 4: Simplify right side
    66,125.04x = 2,159,178,661.35
  5. Step 5: Solve for x
    x = 2,159,178,661.35/66,125.04
  6. Step 6: Final answer
    x = 32,652.97

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1.5x scale

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.