Home / 106,860.75-147,455.07-59,107.61

Finding the Fourth Proportional to 106,860.75, 147,455.07 and 59,107.61

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Solution

The fourth proportional to 106,860.75, 147,455.07 and 59,107.61 is: 81,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.75 : 147,455.07 = 59,107.61 : x
  2. Step 2: Convert to fraction form
    106,860.75/147,455.07 = 59,107.61/x
  3. Step 3: Cross multiply
    106,860.75x = 147,455.07 × 59,107.61
  4. Step 4: Simplify right side
    106,860.75x = 8,715,716,032.81
  5. Step 5: Solve for x
    x = 8,715,716,032.81/106,860.75
  6. Step 6: Final answer
    x = 81,561.43

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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.