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Finding the Fourth Proportional to 80,457.68, 111,032.81 and 44,650.01

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Solution

The fourth proportional to 80,457.68, 111,032.81 and 44,650.01 is: 61,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457.68 : 111,032.81 = 44,650.01 : x
  2. Step 2: Convert to fraction form
    80,457.68/111,032.81 = 44,650.01/x
  3. Step 3: Cross multiply
    80,457.68x = 111,032.81 × 44,650.01
  4. Step 4: Simplify right side
    80,457.68x = 4,957,616,466.04
  5. Step 5: Solve for x
    x = 4,957,616,466.04/80,457.68
  6. Step 6: Final answer
    x = 61,617.69

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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.