Home / 125,642.37-173,387.03-69,057.39

Finding the Fourth Proportional to 125,642.37, 173,387.03 and 69,057.39

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Solution

The fourth proportional to 125,642.37, 173,387.03 and 69,057.39 is: 95,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,642.37 : 173,387.03 = 69,057.39 : x
  2. Step 2: Convert to fraction form
    125,642.37/173,387.03 = 69,057.39/x
  3. Step 3: Cross multiply
    125,642.37x = 173,387.03 × 69,057.39
  4. Step 4: Simplify right side
    125,642.37x = 11,973,655,751.65
  5. Step 5: Solve for x
    x = 11,973,655,751.65/125,642.37
  6. Step 6: Final answer
    x = 95,299.51

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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.