Home / 87,725.72-121,075.12-57,598.44

Finding the Fourth Proportional to 87,725.72, 121,075.12 and 57,598.44

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Solution

The fourth proportional to 87,725.72, 121,075.12 and 57,598.44 is: 79,494.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725.72 : 121,075.12 = 57,598.44 : x
  2. Step 2: Convert to fraction form
    87,725.72/121,075.12 = 57,598.44/x
  3. Step 3: Cross multiply
    87,725.72x = 121,075.12 × 57,598.44
  4. Step 4: Simplify right side
    87,725.72x = 6,973,738,034.81
  5. Step 5: Solve for x
    x = 6,973,738,034.81/87,725.72
  6. Step 6: Final answer
    x = 79,494.79

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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.