Home / 83,035.12-124,458.29-73,020.33

Finding the Fourth Proportional to 83,035.12, 124,458.29 and 73,020.33

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Solution

The fourth proportional to 83,035.12, 124,458.29 and 73,020.33 is: 109,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,035.12 : 124,458.29 = 73,020.33 : x
  2. Step 2: Convert to fraction form
    83,035.12/124,458.29 = 73,020.33/x
  3. Step 3: Cross multiply
    83,035.12x = 124,458.29 × 73,020.33
  4. Step 4: Simplify right side
    83,035.12x = 9,087,985,041.93
  5. Step 5: Solve for x
    x = 9,087,985,041.93/83,035.12
  6. Step 6: Final answer
    x = 109,447.48

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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.