Home / 86,724.05-119,716.08-52,743.46

Finding the Fourth Proportional to 86,724.05, 119,716.08 and 52,743.46

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Solution

The fourth proportional to 86,724.05, 119,716.08 and 52,743.46 is: 72,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,724.05 : 119,716.08 = 52,743.46 : x
  2. Step 2: Convert to fraction form
    86,724.05/119,716.08 = 52,743.46/x
  3. Step 3: Cross multiply
    86,724.05x = 119,716.08 × 52,743.46
  4. Step 4: Simplify right side
    86,724.05x = 6,314,240,276.84
  5. Step 5: Solve for x
    x = 6,314,240,276.84/86,724.05
  6. Step 6: Final answer
    x = 72,808.41

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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.