Home / 115,502.48-173,322.84-66,289.04

Finding the Fourth Proportional to 115,502.48, 173,322.84 and 66,289.04

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Solution

The fourth proportional to 115,502.48, 173,322.84 and 66,289.04 is: 99,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,502.48 : 173,322.84 = 66,289.04 : x
  2. Step 2: Convert to fraction form
    115,502.48/173,322.84 = 66,289.04/x
  3. Step 3: Cross multiply
    115,502.48x = 173,322.84 × 66,289.04
  4. Step 4: Simplify right side
    115,502.48x = 11,489,404,673.67
  5. Step 5: Solve for x
    x = 11,489,404,673.67/115,502.48
  6. Step 6: Final answer
    x = 99,473.23

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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.