Home / 86,532.24-119,468.55-66,350.35

Finding the Fourth Proportional to 86,532.24, 119,468.55 and 66,350.35

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Solution

The fourth proportional to 86,532.24, 119,468.55 and 66,350.35 is: 91,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,532.24 : 119,468.55 = 66,350.35 : x
  2. Step 2: Convert to fraction form
    86,532.24/119,468.55 = 66,350.35/x
  3. Step 3: Cross multiply
    86,532.24x = 119,468.55 × 66,350.35
  4. Step 4: Simplify right side
    86,532.24x = 7,926,780,106.49
  5. Step 5: Solve for x
    x = 7,926,780,106.49/86,532.24
  6. Step 6: Final answer
    x = 91,604.93

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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.