Home / 54,705.06-81,915.59-46,857.91

Finding the Fourth Proportional to 54,705.06, 81,915.59 and 46,857.91

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Solution

The fourth proportional to 54,705.06, 81,915.59 and 46,857.91 is: 70,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.06 : 81,915.59 = 46,857.91 : x
  2. Step 2: Convert to fraction form
    54,705.06/81,915.59 = 46,857.91/x
  3. Step 3: Cross multiply
    54,705.06x = 81,915.59 × 46,857.91
  4. Step 4: Simplify right side
    54,705.06x = 3,838,393,343.82
  5. Step 5: Solve for x
    x = 3,838,393,343.82/54,705.06
  6. Step 6: Final answer
    x = 70,165.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.