Home / 81,891.60-113,001.24-46,080.84

Finding the Fourth Proportional to 81,891.60, 113,001.24 and 46,080.84

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Solution

The fourth proportional to 81,891.60, 113,001.24 and 46,080.84 is: 63,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,891.60 : 113,001.24 = 46,080.84 : x
  2. Step 2: Convert to fraction form
    81,891.60/113,001.24 = 46,080.84/x
  3. Step 3: Cross multiply
    81,891.60x = 113,001.24 × 46,080.84
  4. Step 4: Simplify right side
    81,891.60x = 5,207,192,060.24
  5. Step 5: Solve for x
    x = 5,207,192,060.24/81,891.60
  6. Step 6: Final answer
    x = 63,586.40

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1.5x scale

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.