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Finding the Fourth Proportional to 74,652.30, 111,650.40 and 56,937.60

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Solution

The fourth proportional to 74,652.30, 111,650.40 and 56,937.60 is: 85,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,652.30 : 111,650.40 = 56,937.60 : x
  2. Step 2: Convert to fraction form
    74,652.30/111,650.40 = 56,937.60/x
  3. Step 3: Cross multiply
    74,652.30x = 111,650.40 × 56,937.60
  4. Step 4: Simplify right side
    74,652.30x = 6,357,105,815.04
  5. Step 5: Solve for x
    x = 6,357,105,815.04/74,652.30
  6. Step 6: Final answer
    x = 85,156.19

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