Home / 81,975.52-113,116.80-46,164.64

Finding the Fourth Proportional to 81,975.52, 113,116.80 and 46,164.64

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Solution

The fourth proportional to 81,975.52, 113,116.80 and 46,164.64 is: 63,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,975.52 : 113,116.80 = 46,164.64 : x
  2. Step 2: Convert to fraction form
    81,975.52/113,116.80 = 46,164.64/x
  3. Step 3: Cross multiply
    81,975.52x = 113,116.80 × 46,164.64
  4. Step 4: Simplify right side
    81,975.52x = 5,221,996,349.95
  5. Step 5: Solve for x
    x = 5,221,996,349.95/81,975.52
  6. Step 6: Final answer
    x = 63,701.90

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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.