Home / 87,736.23-121,075.59-47,450.02

Finding the Fourth Proportional to 87,736.23, 121,075.59 and 47,450.02

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Solution

The fourth proportional to 87,736.23, 121,075.59 and 47,450.02 is: 65,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,736.23 : 121,075.59 = 47,450.02 : x
  2. Step 2: Convert to fraction form
    87,736.23/121,075.59 = 47,450.02/x
  3. Step 3: Cross multiply
    87,736.23x = 121,075.59 × 47,450.02
  4. Step 4: Simplify right side
    87,736.23x = 5,745,039,167.01
  5. Step 5: Solve for x
    x = 5,745,039,167.01/87,736.23
  6. Step 6: Final answer
    x = 65,480.81

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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.