Home / 66,247.43-91,421.19-36,032.81

Finding the Fourth Proportional to 66,247.43, 91,421.19 and 36,032.81

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Solution

The fourth proportional to 66,247.43, 91,421.19 and 36,032.81 is: 49,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.43 : 91,421.19 = 36,032.81 : x
  2. Step 2: Convert to fraction form
    66,247.43/91,421.19 = 36,032.81/x
  3. Step 3: Cross multiply
    66,247.43x = 91,421.19 × 36,032.81
  4. Step 4: Simplify right side
    66,247.43x = 3,294,161,912.14
  5. Step 5: Solve for x
    x = 3,294,161,912.14/66,247.43
  6. Step 6: Final answer
    x = 49,725.13

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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.