Home / 75,811.84-104,619.18-43,986.22

Finding the Fourth Proportional to 75,811.84, 104,619.18 and 43,986.22

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Solution

The fourth proportional to 75,811.84, 104,619.18 and 43,986.22 is: 60,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,811.84 : 104,619.18 = 43,986.22 : x
  2. Step 2: Convert to fraction form
    75,811.84/104,619.18 = 43,986.22/x
  3. Step 3: Cross multiply
    75,811.84x = 104,619.18 × 43,986.22
  4. Step 4: Simplify right side
    75,811.84x = 4,601,802,267.70
  5. Step 5: Solve for x
    x = 4,601,802,267.70/75,811.84
  6. Step 6: Final answer
    x = 60,700.31

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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.