Home / 66,019.15-99,039.66-32,740.30

Finding the Fourth Proportional to 66,019.15, 99,039.66 and 32,740.30

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Solution

The fourth proportional to 66,019.15, 99,039.66 and 32,740.30 is: 49,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,019.15 : 99,039.66 = 32,740.30 : x
  2. Step 2: Convert to fraction form
    66,019.15/99,039.66 = 32,740.30/x
  3. Step 3: Cross multiply
    66,019.15x = 99,039.66 × 32,740.30
  4. Step 4: Simplify right side
    66,019.15x = 3,242,588,180.30
  5. Step 5: Solve for x
    x = 3,242,588,180.30/66,019.15
  6. Step 6: Final answer
    x = 49,115.87

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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.