Home / 79,466.08-109,617.34-47,616.54

Finding the Fourth Proportional to 79,466.08, 109,617.34 and 47,616.54

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Solution

The fourth proportional to 79,466.08, 109,617.34 and 47,616.54 is: 65,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.08 : 109,617.34 = 47,616.54 : x
  2. Step 2: Convert to fraction form
    79,466.08/109,617.34 = 47,616.54/x
  3. Step 3: Cross multiply
    79,466.08x = 109,617.34 × 47,616.54
  4. Step 4: Simplify right side
    79,466.08x = 5,219,598,454.80
  5. Step 5: Solve for x
    x = 5,219,598,454.80/79,466.08
  6. Step 6: Final answer
    x = 65,683.35

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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.