Home / 79,099.06-109,168.98-45,107.62

Finding the Fourth Proportional to 79,099.06, 109,168.98 and 45,107.62

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Solution

The fourth proportional to 79,099.06, 109,168.98 and 45,107.62 is: 62,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,099.06 : 109,168.98 = 45,107.62 : x
  2. Step 2: Convert to fraction form
    79,099.06/109,168.98 = 45,107.62/x
  3. Step 3: Cross multiply
    79,099.06x = 109,168.98 × 45,107.62
  4. Step 4: Simplify right side
    79,099.06x = 4,924,352,865.63
  5. Step 5: Solve for x
    x = 4,924,352,865.63/79,099.06
  6. Step 6: Final answer
    x = 62,255.52

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1.5x scale

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.