Home / 82,847.64-114,329.73-45,121.89

Finding the Fourth Proportional to 82,847.64, 114,329.73 and 45,121.89

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Solution

The fourth proportional to 82,847.64, 114,329.73 and 45,121.89 is: 62,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,847.64 : 114,329.73 = 45,121.89 : x
  2. Step 2: Convert to fraction form
    82,847.64/114,329.73 = 45,121.89/x
  3. Step 3: Cross multiply
    82,847.64x = 114,329.73 × 45,121.89
  4. Step 4: Simplify right side
    82,847.64x = 5,158,772,929.14
  5. Step 5: Solve for x
    x = 5,158,772,929.14/82,847.64
  6. Step 6: Final answer
    x = 62,268.20

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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.