Home / 124,625.18-171,976.75-70,905.18

Finding the Fourth Proportional to 124,625.18, 171,976.75 and 70,905.18

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Solution

The fourth proportional to 124,625.18, 171,976.75 and 70,905.18 is: 97,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,625.18 : 171,976.75 = 70,905.18 : x
  2. Step 2: Convert to fraction form
    124,625.18/171,976.75 = 70,905.18/x
  3. Step 3: Cross multiply
    124,625.18x = 171,976.75 × 70,905.18
  4. Step 4: Simplify right side
    124,625.18x = 12,194,042,414.57
  5. Step 5: Solve for x
    x = 12,194,042,414.57/124,625.18
  6. Step 6: Final answer
    x = 97,845.74

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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.