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Finding the Fourth Proportional to 95,085.96, 142,599.74 and 65,692.68

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Solution

The fourth proportional to 95,085.96, 142,599.74 and 65,692.68 is: 98,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,085.96 : 142,599.74 = 65,692.68 : x
  2. Step 2: Convert to fraction form
    95,085.96/142,599.74 = 65,692.68/x
  3. Step 3: Cross multiply
    95,085.96x = 142,599.74 × 65,692.68
  4. Step 4: Simplify right side
    95,085.96x = 9,367,759,087.90
  5. Step 5: Solve for x
    x = 9,367,759,087.90/95,085.96
  6. Step 6: Final answer
    x = 98,518.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.