Home / 106,986.37-147,645.77-59,239.68

Finding the Fourth Proportional to 106,986.37, 147,645.77 and 59,239.68

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Solution

The fourth proportional to 106,986.37, 147,645.77 and 59,239.68 is: 81,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,986.37 : 147,645.77 = 59,239.68 : x
  2. Step 2: Convert to fraction form
    106,986.37/147,645.77 = 59,239.68/x
  3. Step 3: Cross multiply
    106,986.37x = 147,645.77 × 59,239.68
  4. Step 4: Simplify right side
    106,986.37x = 8,746,488,168.15
  5. Step 5: Solve for x
    x = 8,746,488,168.15/106,986.37
  6. Step 6: Final answer
    x = 81,753.29

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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.