Home / 81,891.89-113,017.34-46,079.63

Finding the Fourth Proportional to 81,891.89, 113,017.34 and 46,079.63

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Solution

The fourth proportional to 81,891.89, 113,017.34 and 46,079.63 is: 63,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,891.89 : 113,017.34 = 46,079.63 : x
  2. Step 2: Convert to fraction form
    81,891.89/113,017.34 = 46,079.63/x
  3. Step 3: Cross multiply
    81,891.89x = 113,017.34 × 46,079.63
  4. Step 4: Simplify right side
    81,891.89x = 5,207,796,980.39
  5. Step 5: Solve for x
    x = 5,207,796,980.39/81,891.89
  6. Step 6: Final answer
    x = 63,593.56

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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.