Home / 106,320.47-146,743.49-61,029.06

Finding the Fourth Proportional to 106,320.47, 146,743.49 and 61,029.06

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Solution

The fourth proportional to 106,320.47, 146,743.49 and 61,029.06 is: 84,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,320.47 : 146,743.49 = 61,029.06 : x
  2. Step 2: Convert to fraction form
    106,320.47/146,743.49 = 61,029.06/x
  3. Step 3: Cross multiply
    106,320.47x = 146,743.49 × 61,029.06
  4. Step 4: Simplify right side
    106,320.47x = 8,955,616,950.67
  5. Step 5: Solve for x
    x = 8,955,616,950.67/106,320.47
  6. Step 6: Final answer
    x = 84,232.30

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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.