Home / 82,836.04-114,309.84-47,021.32

Finding the Fourth Proportional to 82,836.04, 114,309.84 and 47,021.32

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Solution

The fourth proportional to 82,836.04, 114,309.84 and 47,021.32 is: 64,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,836.04 : 114,309.84 = 47,021.32 : x
  2. Step 2: Convert to fraction form
    82,836.04/114,309.84 = 47,021.32/x
  3. Step 3: Cross multiply
    82,836.04x = 114,309.84 × 47,021.32
  4. Step 4: Simplify right side
    82,836.04x = 5,374,999,565.79
  5. Step 5: Solve for x
    x = 5,374,999,565.79/82,836.04
  6. Step 6: Final answer
    x = 64,887.21

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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.