Home / 82,775.12-114,165.60-55,875.02

Finding the Fourth Proportional to 82,775.12, 114,165.60 and 55,875.02

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Solution

The fourth proportional to 82,775.12, 114,165.60 and 55,875.02 is: 77,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,775.12 : 114,165.60 = 55,875.02 : x
  2. Step 2: Convert to fraction form
    82,775.12/114,165.60 = 55,875.02/x
  3. Step 3: Cross multiply
    82,775.12x = 114,165.60 × 55,875.02
  4. Step 4: Simplify right side
    82,775.12x = 6,379,005,183.31
  5. Step 5: Solve for x
    x = 6,379,005,183.31/82,775.12
  6. Step 6: Final answer
    x = 77,064.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.