Home / 66,110.75-99,145.08-21,727.25

Finding the Fourth Proportional to 66,110.75, 99,145.08 and 21,727.25

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Solution

The fourth proportional to 66,110.75, 99,145.08 and 21,727.25 is: 32,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,110.75 : 99,145.08 = 21,727.25 : x
  2. Step 2: Convert to fraction form
    66,110.75/99,145.08 = 21,727.25/x
  3. Step 3: Cross multiply
    66,110.75x = 99,145.08 × 21,727.25
  4. Step 4: Simplify right side
    66,110.75x = 2,154,149,815.50
  5. Step 5: Solve for x
    x = 2,154,149,815.50/66,110.75
  6. Step 6: Final answer
    x = 32,583.96

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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.