Home / 106,542.57-159,703.02-43,335.57

Finding the Fourth Proportional to 106,542.57, 159,703.02 and 43,335.57

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Solution

The fourth proportional to 106,542.57, 159,703.02 and 43,335.57 is: 64,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,542.57 : 159,703.02 = 43,335.57 : x
  2. Step 2: Convert to fraction form
    106,542.57/159,703.02 = 43,335.57/x
  3. Step 3: Cross multiply
    106,542.57x = 159,703.02 × 43,335.57
  4. Step 4: Simplify right side
    106,542.57x = 6,920,821,402.42
  5. Step 5: Solve for x
    x = 6,920,821,402.42/106,542.57
  6. Step 6: Final answer
    x = 64,958.27

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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.