Home / 107,032.80-147,704.97-61,710.57

Finding the Fourth Proportional to 107,032.80, 147,704.97 and 61,710.57

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Solution

The fourth proportional to 107,032.80, 147,704.97 and 61,710.57 is: 85,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,032.80 : 147,704.97 = 61,710.57 : x
  2. Step 2: Convert to fraction form
    107,032.80/147,704.97 = 61,710.57/x
  3. Step 3: Cross multiply
    107,032.80x = 147,704.97 × 61,710.57
  4. Step 4: Simplify right side
    107,032.80x = 9,114,957,890.53
  5. Step 5: Solve for x
    x = 9,114,957,890.53/107,032.80
  6. Step 6: Final answer
    x = 85,160.42

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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.