Home / 122,472.30-169,016.12-68,025.35

Finding the Fourth Proportional to 122,472.30, 169,016.12 and 68,025.35

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Solution

The fourth proportional to 122,472.30, 169,016.12 and 68,025.35 is: 93,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472.30 : 169,016.12 = 68,025.35 : x
  2. Step 2: Convert to fraction form
    122,472.30/169,016.12 = 68,025.35/x
  3. Step 3: Cross multiply
    122,472.30x = 169,016.12 × 68,025.35
  4. Step 4: Simplify right side
    122,472.30x = 11,497,381,056.15
  5. Step 5: Solve for x
    x = 11,497,381,056.15/122,472.30
  6. Step 6: Final answer
    x = 93,877.40

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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.