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Finding the Fourth Proportional to 57,165.10, 85,834.05 and 44,032.30

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Solution

The fourth proportional to 57,165.10, 85,834.05 and 44,032.30 is: 66,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.10 : 85,834.05 = 44,032.30 : x
  2. Step 2: Convert to fraction form
    57,165.10/85,834.05 = 44,032.30/x
  3. Step 3: Cross multiply
    57,165.10x = 85,834.05 × 44,032.30
  4. Step 4: Simplify right side
    57,165.10x = 3,779,470,639.82
  5. Step 5: Solve for x
    x = 3,779,470,639.82/57,165.10
  6. Step 6: Final answer
    x = 66,115.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.