Home / 54,900.56-81,949.06-47,159.12

Finding the Fourth Proportional to 54,900.56, 81,949.06 and 47,159.12

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Solution

The fourth proportional to 54,900.56, 81,949.06 and 47,159.12 is: 70,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,900.56 : 81,949.06 = 47,159.12 : x
  2. Step 2: Convert to fraction form
    54,900.56/81,949.06 = 47,159.12/x
  3. Step 3: Cross multiply
    54,900.56x = 81,949.06 × 47,159.12
  4. Step 4: Simplify right side
    54,900.56x = 3,864,645,554.43
  5. Step 5: Solve for x
    x = 3,864,645,554.43/54,900.56
  6. Step 6: Final answer
    x = 70,393.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.