Home / 83,163.51-124,856.17-70,763.22

Finding the Fourth Proportional to 83,163.51, 124,856.17 and 70,763.22

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Solution

The fourth proportional to 83,163.51, 124,856.17 and 70,763.22 is: 106,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,163.51 : 124,856.17 = 70,763.22 : x
  2. Step 2: Convert to fraction form
    83,163.51/124,856.17 = 70,763.22/x
  3. Step 3: Cross multiply
    83,163.51x = 124,856.17 × 70,763.22
  4. Step 4: Simplify right side
    83,163.51x = 8,835,224,449.16
  5. Step 5: Solve for x
    x = 8,835,224,449.16/83,163.51
  6. Step 6: Final answer
    x = 106,239.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.