Home / 124,436.36-171,717.90-70,720.44

Finding the Fourth Proportional to 124,436.36, 171,717.90 and 70,720.44

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Solution

The fourth proportional to 124,436.36, 171,717.90 and 70,720.44 is: 97,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.36 : 171,717.90 = 70,720.44 : x
  2. Step 2: Convert to fraction form
    124,436.36/171,717.90 = 70,720.44/x
  3. Step 3: Cross multiply
    124,436.36x = 171,717.90 × 70,720.44
  4. Step 4: Simplify right side
    124,436.36x = 12,143,965,443.88
  5. Step 5: Solve for x
    x = 12,143,965,443.88/124,436.36
  6. Step 6: Final answer
    x = 97,591.78

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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.