Home / 106,860.25-147,454.39-59,107.11

Finding the Fourth Proportional to 106,860.25, 147,454.39 and 59,107.11

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Solution

The fourth proportional to 106,860.25, 147,454.39 and 59,107.11 is: 81,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.25 : 147,454.39 = 59,107.11 : x
  2. Step 2: Convert to fraction form
    106,860.25/147,454.39 = 59,107.11/x
  3. Step 3: Cross multiply
    106,860.25x = 147,454.39 × 59,107.11
  4. Step 4: Simplify right side
    106,860.25x = 8,715,602,849.71
  5. Step 5: Solve for x
    x = 8,715,602,849.71/106,860.25
  6. Step 6: Final answer
    x = 81,560.76

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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.