Home / 125,748.28-173,533.34-68,388.28

Finding the Fourth Proportional to 125,748.28, 173,533.34 and 68,388.28

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Solution

The fourth proportional to 125,748.28, 173,533.34 and 68,388.28 is: 94,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,748.28 : 173,533.34 = 68,388.28 : x
  2. Step 2: Convert to fraction form
    125,748.28/173,533.34 = 68,388.28/x
  3. Step 3: Cross multiply
    125,748.28x = 173,533.34 × 68,388.28
  4. Step 4: Simplify right side
    125,748.28x = 11,867,646,645.26
  5. Step 5: Solve for x
    x = 11,867,646,645.26/125,748.28
  6. Step 6: Final answer
    x = 94,376.21

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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.