Home / 105,794.22-145,998.71-58,047.56

Finding the Fourth Proportional to 105,794.22, 145,998.71 and 58,047.56

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Solution

The fourth proportional to 105,794.22, 145,998.71 and 58,047.56 is: 80,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,794.22 : 145,998.71 = 58,047.56 : x
  2. Step 2: Convert to fraction form
    105,794.22/145,998.71 = 58,047.56/x
  3. Step 3: Cross multiply
    105,794.22x = 145,998.71 × 58,047.56
  4. Step 4: Simplify right side
    105,794.22x = 8,474,868,950.11
  5. Step 5: Solve for x
    x = 8,474,868,950.11/105,794.22
  6. Step 6: Final answer
    x = 80,107.10

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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.