Home / 82,835.64-114,320.70-52,617.78

Finding the Fourth Proportional to 82,835.64, 114,320.70 and 52,617.78

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Solution

The fourth proportional to 82,835.64, 114,320.70 and 52,617.78 is: 72,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835.64 : 114,320.70 = 52,617.78 : x
  2. Step 2: Convert to fraction form
    82,835.64/114,320.70 = 52,617.78/x
  3. Step 3: Cross multiply
    82,835.64x = 114,320.70 × 52,617.78
  4. Step 4: Simplify right side
    82,835.64x = 6,015,301,442.05
  5. Step 5: Solve for x
    x = 6,015,301,442.05/82,835.64
  6. Step 6: Final answer
    x = 72,617.31

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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.