Home / 106,755.09-147,315.72-59,005.59

Finding the Fourth Proportional to 106,755.09, 147,315.72 and 59,005.59

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Solution

The fourth proportional to 106,755.09, 147,315.72 and 59,005.59 is: 81,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,755.09 : 147,315.72 = 59,005.59 : x
  2. Step 2: Convert to fraction form
    106,755.09/147,315.72 = 59,005.59/x
  3. Step 3: Cross multiply
    106,755.09x = 147,315.72 × 59,005.59
  4. Step 4: Simplify right side
    106,755.09x = 8,692,450,974.87
  5. Step 5: Solve for x
    x = 8,692,450,974.87/106,755.09
  6. Step 6: Final answer
    x = 81,424.23

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1.5x scale

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.