Home / 82,783.43-114,237.74-46,972.68

Finding the Fourth Proportional to 82,783.43, 114,237.74 and 46,972.68

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Solution

The fourth proportional to 82,783.43, 114,237.74 and 46,972.68 is: 64,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,783.43 : 114,237.74 = 46,972.68 : x
  2. Step 2: Convert to fraction form
    82,783.43/114,237.74 = 46,972.68/x
  3. Step 3: Cross multiply
    82,783.43x = 114,237.74 × 46,972.68
  4. Step 4: Simplify right side
    82,783.43x = 5,366,052,570.08
  5. Step 5: Solve for x
    x = 5,366,052,570.08/82,783.43
  6. Step 6: Final answer
    x = 64,820.37

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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.