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Finding the Fourth Proportional to 80,626.78, 111,256.50 and 44,811.01

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Solution

The fourth proportional to 80,626.78, 111,256.50 and 44,811.01 is: 61,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626.78 : 111,256.50 = 44,811.01 : x
  2. Step 2: Convert to fraction form
    80,626.78/111,256.50 = 44,811.01/x
  3. Step 3: Cross multiply
    80,626.78x = 111,256.50 × 44,811.01
  4. Step 4: Simplify right side
    80,626.78x = 4,985,516,134.07
  5. Step 5: Solve for x
    x = 4,985,516,134.07/80,626.78
  6. Step 6: Final answer
    x = 61,834.49

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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.