Home / 125,383.40-173,029.30-68,795.18

Finding the Fourth Proportional to 125,383.40, 173,029.30 and 68,795.18

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Solution

The fourth proportional to 125,383.40, 173,029.30 and 68,795.18 is: 94,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,383.40 : 173,029.30 = 68,795.18 : x
  2. Step 2: Convert to fraction form
    125,383.40/173,029.30 = 68,795.18/x
  3. Step 3: Cross multiply
    125,383.40x = 173,029.30 × 68,795.18
  4. Step 4: Simplify right side
    125,383.40x = 11,903,581,838.77
  5. Step 5: Solve for x
    x = 11,903,581,838.77/125,383.40
  6. Step 6: Final answer
    x = 94,937.46

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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.