Home / 66,389.40-99,523.87-33,119.66

Finding the Fourth Proportional to 66,389.40, 99,523.87 and 33,119.66

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Solution

The fourth proportional to 66,389.40, 99,523.87 and 33,119.66 is: 49,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389.40 : 99,523.87 = 33,119.66 : x
  2. Step 2: Convert to fraction form
    66,389.40/99,523.87 = 33,119.66/x
  3. Step 3: Cross multiply
    66,389.40x = 99,523.87 × 33,119.66
  4. Step 4: Simplify right side
    66,389.40x = 3,296,196,902.29
  5. Step 5: Solve for x
    x = 3,296,196,902.29/66,389.40
  6. Step 6: Final answer
    x = 49,649.45

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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.