Home / 106,149.48-146,488.71-57,754.14

Finding the Fourth Proportional to 106,149.48, 146,488.71 and 57,754.14

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Solution

The fourth proportional to 106,149.48, 146,488.71 and 57,754.14 is: 79,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,149.48 : 146,488.71 = 57,754.14 : x
  2. Step 2: Convert to fraction form
    106,149.48/146,488.71 = 57,754.14/x
  3. Step 3: Cross multiply
    106,149.48x = 146,488.71 × 57,754.14
  4. Step 4: Simplify right side
    106,149.48x = 8,460,329,465.76
  5. Step 5: Solve for x
    x = 8,460,329,465.76/106,149.48
  6. Step 6: Final answer
    x = 79,702.03

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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.