Home / 86,050.84-118,716.98-63,443.56

Finding the Fourth Proportional to 86,050.84, 118,716.98 and 63,443.56

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Solution

The fourth proportional to 86,050.84, 118,716.98 and 63,443.56 is: 87,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,050.84 : 118,716.98 = 63,443.56 : x
  2. Step 2: Convert to fraction form
    86,050.84/118,716.98 = 63,443.56/x
  3. Step 3: Cross multiply
    86,050.84x = 118,716.98 × 63,443.56
  4. Step 4: Simplify right side
    86,050.84x = 7,531,827,843.65
  5. Step 5: Solve for x
    x = 7,531,827,843.65/86,050.84
  6. Step 6: Final answer
    x = 87,527.65

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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.