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Finding the Fourth Proportional to 79,477.40, 119,216.10 and 35,081.30

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Solution

The fourth proportional to 79,477.40, 119,216.10 and 35,081.30 is: 52,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,477.40 : 119,216.10 = 35,081.30 : x
  2. Step 2: Convert to fraction form
    79,477.40/119,216.10 = 35,081.30/x
  3. Step 3: Cross multiply
    79,477.40x = 119,216.10 × 35,081.30
  4. Step 4: Simplify right side
    79,477.40x = 4,182,255,768.93
  5. Step 5: Solve for x
    x = 4,182,255,768.93/79,477.40
  6. Step 6: Final answer
    x = 52,621.95

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Similar ratio
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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.