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Finding the Fourth Proportional to 80,612.81, 111,244.87 and 44,802.10

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Solution

The fourth proportional to 80,612.81, 111,244.87 and 44,802.10 is: 61,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,612.81 : 111,244.87 = 44,802.10 : x
  2. Step 2: Convert to fraction form
    80,612.81/111,244.87 = 44,802.10/x
  3. Step 3: Cross multiply
    80,612.81x = 111,244.87 × 44,802.10
  4. Step 4: Simplify right side
    80,612.81x = 4,984,003,790.23
  5. Step 5: Solve for x
    x = 4,984,003,790.23/80,612.81
  6. Step 6: Final answer
    x = 61,826.45

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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.