Home / 87,796.09-121,125.99-57,598.21

Finding the Fourth Proportional to 87,796.09, 121,125.99 and 57,598.21

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Solution

The fourth proportional to 87,796.09, 121,125.99 and 57,598.21 is: 79,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.09 : 121,125.99 = 57,598.21 : x
  2. Step 2: Convert to fraction form
    87,796.09/121,125.99 = 57,598.21/x
  3. Step 3: Cross multiply
    87,796.09x = 121,125.99 × 57,598.21
  4. Step 4: Simplify right side
    87,796.09x = 6,976,640,208.48
  5. Step 5: Solve for x
    x = 6,976,640,208.48/87,796.09
  6. Step 6: Final answer
    x = 79,464.13

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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.