Home / 85,228.86-117,616.44-47,505.54

Finding the Fourth Proportional to 85,228.86, 117,616.44 and 47,505.54

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Solution

The fourth proportional to 85,228.86, 117,616.44 and 47,505.54 is: 65,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.86 : 117,616.44 = 47,505.54 : x
  2. Step 2: Convert to fraction form
    85,228.86/117,616.44 = 47,505.54/x
  3. Step 3: Cross multiply
    85,228.86x = 117,616.44 × 47,505.54
  4. Step 4: Simplify right side
    85,228.86x = 5,587,432,495.08
  5. Step 5: Solve for x
    x = 5,587,432,495.08/85,228.86
  6. Step 6: Final answer
    x = 65,557.99

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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.