Home / 106,913.06-147,542.43-69,252.86

Finding the Fourth Proportional to 106,913.06, 147,542.43 and 69,252.86

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Solution

The fourth proportional to 106,913.06, 147,542.43 and 69,252.86 is: 95,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,913.06 : 147,542.43 = 69,252.86 : x
  2. Step 2: Convert to fraction form
    106,913.06/147,542.43 = 69,252.86/x
  3. Step 3: Cross multiply
    106,913.06x = 147,542.43 × 69,252.86
  4. Step 4: Simplify right side
    106,913.06x = 10,217,735,248.85
  5. Step 5: Solve for x
    x = 10,217,735,248.85/106,913.06
  6. Step 6: Final answer
    x = 95,570.51

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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.