Home / 104,290.28-143,923.41-58,975.04

Finding the Fourth Proportional to 104,290.28, 143,923.41 and 58,975.04

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Solution

The fourth proportional to 104,290.28, 143,923.41 and 58,975.04 is: 81,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.28 : 143,923.41 = 58,975.04 : x
  2. Step 2: Convert to fraction form
    104,290.28/143,923.41 = 58,975.04/x
  3. Step 3: Cross multiply
    104,290.28x = 143,923.41 × 58,975.04
  4. Step 4: Simplify right side
    104,290.28x = 8,487,888,861.69
  5. Step 5: Solve for x
    x = 8,487,888,861.69/104,290.28
  6. Step 6: Final answer
    x = 81,387.15

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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.