Home / 124,079.43-171,260.03-70,395.87

Finding the Fourth Proportional to 124,079.43, 171,260.03 and 70,395.87

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Solution

The fourth proportional to 124,079.43, 171,260.03 and 70,395.87 is: 97,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,079.43 : 171,260.03 = 70,395.87 : x
  2. Step 2: Convert to fraction form
    124,079.43/171,260.03 = 70,395.87/x
  3. Step 3: Cross multiply
    124,079.43x = 171,260.03 × 70,395.87
  4. Step 4: Simplify right side
    124,079.43x = 12,055,998,808.08
  5. Step 5: Solve for x
    x = 12,055,998,808.08/124,079.43
  6. Step 6: Final answer
    x = 97,163.56

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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.