Home / 67,786.08-93,441.11-47,586.30

Finding the Fourth Proportional to 67,786.08, 93,441.11 and 47,586.30

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Solution

The fourth proportional to 67,786.08, 93,441.11 and 47,586.30 is: 65,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,786.08 : 93,441.11 = 47,586.30 : x
  2. Step 2: Convert to fraction form
    67,786.08/93,441.11 = 47,586.30/x
  3. Step 3: Cross multiply
    67,786.08x = 93,441.11 × 47,586.30
  4. Step 4: Simplify right side
    67,786.08x = 4,446,516,454.86
  5. Step 5: Solve for x
    x = 4,446,516,454.86/67,786.08
  6. Step 6: Final answer
    x = 65,596.31

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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.