Home / 79,692.06-109,948.78-51,416.58

Finding the Fourth Proportional to 79,692.06, 109,948.78 and 51,416.58

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Solution

The fourth proportional to 79,692.06, 109,948.78 and 51,416.58 is: 70,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,692.06 : 109,948.78 = 51,416.58 : x
  2. Step 2: Convert to fraction form
    79,692.06/109,948.78 = 51,416.58/x
  3. Step 3: Cross multiply
    79,692.06x = 109,948.78 × 51,416.58
  4. Step 4: Simplify right side
    79,692.06x = 5,653,190,242.77
  5. Step 5: Solve for x
    x = 5,653,190,242.77/79,692.06
  6. Step 6: Final answer
    x = 70,937.94

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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.