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Finding the Fourth Proportional to 79,297.53, 118,911.74 and 26,692.89

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Solution

The fourth proportional to 79,297.53, 118,911.74 and 26,692.89 is: 40,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,297.53 : 118,911.74 = 26,692.89 : x
  2. Step 2: Convert to fraction form
    79,297.53/118,911.74 = 26,692.89/x
  3. Step 3: Cross multiply
    79,297.53x = 118,911.74 × 26,692.89
  4. Step 4: Simplify right side
    79,297.53x = 3,174,097,862.06
  5. Step 5: Solve for x
    x = 3,174,097,862.06/79,297.53
  6. Step 6: Final answer
    x = 40,027.70

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1.5x scale

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.