Home / 66,242.23-91,415.45-36,028.22

Finding the Fourth Proportional to 66,242.23, 91,415.45 and 36,028.22

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Solution

The fourth proportional to 66,242.23, 91,415.45 and 36,028.22 is: 49,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,242.23 : 91,415.45 = 36,028.22 : x
  2. Step 2: Convert to fraction form
    66,242.23/91,415.45 = 36,028.22/x
  3. Step 3: Cross multiply
    66,242.23x = 91,415.45 × 36,028.22
  4. Step 4: Simplify right side
    66,242.23x = 3,293,535,576.99
  5. Step 5: Solve for x
    x = 3,293,535,576.99/66,242.23
  6. Step 6: Final answer
    x = 49,719.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.