Home / 78,692.14-108,568.48-48,054.06

Finding the Fourth Proportional to 78,692.14, 108,568.48 and 48,054.06

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Solution

The fourth proportional to 78,692.14, 108,568.48 and 48,054.06 is: 66,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,692.14 : 108,568.48 = 48,054.06 : x
  2. Step 2: Convert to fraction form
    78,692.14/108,568.48 = 48,054.06/x
  3. Step 3: Cross multiply
    78,692.14x = 108,568.48 × 48,054.06
  4. Step 4: Simplify right side
    78,692.14x = 5,217,156,252.03
  5. Step 5: Solve for x
    x = 5,217,156,252.03/78,692.14
  6. Step 6: Final answer
    x = 66,298.31

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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.