Home / 55,490.31-83,087.85-43,361.58

Finding the Fourth Proportional to 55,490.31, 83,087.85 and 43,361.58

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Solution

The fourth proportional to 55,490.31, 83,087.85 and 43,361.58 is: 64,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.31 : 83,087.85 = 43,361.58 : x
  2. Step 2: Convert to fraction form
    55,490.31/83,087.85 = 43,361.58/x
  3. Step 3: Cross multiply
    55,490.31x = 83,087.85 × 43,361.58
  4. Step 4: Simplify right side
    55,490.31x = 3,602,820,454.80
  5. Step 5: Solve for x
    x = 3,602,820,454.80/55,490.31
  6. Step 6: Final answer
    x = 64,927.02

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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.