Home / 86,074.05-118,748.91-63,466.56

Finding the Fourth Proportional to 86,074.05, 118,748.91 and 63,466.56

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Solution

The fourth proportional to 86,074.05, 118,748.91 and 63,466.56 is: 87,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.05 : 118,748.91 = 63,466.56 : x
  2. Step 2: Convert to fraction form
    86,074.05/118,748.91 = 63,466.56/x
  3. Step 3: Cross multiply
    86,074.05x = 118,748.91 × 63,466.56
  4. Step 4: Simplify right side
    86,074.05x = 7,536,584,821.45
  5. Step 5: Solve for x
    x = 7,536,584,821.45/86,074.05
  6. Step 6: Final answer
    x = 87,559.31

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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.