Home / 67,829.90-101,743.29-17,913.51

Finding the Fourth Proportional to 67,829.90, 101,743.29 and 17,913.51

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Solution

The fourth proportional to 67,829.90, 101,743.29 and 17,913.51 is: 26,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,829.90 : 101,743.29 = 17,913.51 : x
  2. Step 2: Convert to fraction form
    67,829.90/101,743.29 = 17,913.51/x
  3. Step 3: Cross multiply
    67,829.90x = 101,743.29 × 17,913.51
  4. Step 4: Simplify right side
    67,829.90x = 1,822,579,442.85
  5. Step 5: Solve for x
    x = 1,822,579,442.85/67,829.90
  6. Step 6: Final answer
    x = 26,869.85

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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.