Home / 72,351.02-108,563.54-34,443.12

Finding the Fourth Proportional to 72,351.02, 108,563.54 and 34,443.12

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Solution

The fourth proportional to 72,351.02, 108,563.54 and 34,443.12 is: 51,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,351.02 : 108,563.54 = 34,443.12 : x
  2. Step 2: Convert to fraction form
    72,351.02/108,563.54 = 34,443.12/x
  3. Step 3: Cross multiply
    72,351.02x = 108,563.54 × 34,443.12
  4. Step 4: Simplify right side
    72,351.02x = 3,739,267,464.49
  5. Step 5: Solve for x
    x = 3,739,267,464.49/72,351.02
  6. Step 6: Final answer
    x = 51,682.30

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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.