Home / 54,054.68-74,607.90-31,705.88

Finding the Fourth Proportional to 54,054.68, 74,607.90 and 31,705.88

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Solution

The fourth proportional to 54,054.68, 74,607.90 and 31,705.88 is: 43,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.68 : 74,607.90 = 31,705.88 : x
  2. Step 2: Convert to fraction form
    54,054.68/74,607.90 = 31,705.88/x
  3. Step 3: Cross multiply
    54,054.68x = 74,607.90 × 31,705.88
  4. Step 4: Simplify right side
    54,054.68x = 2,365,509,124.45
  5. Step 5: Solve for x
    x = 2,365,509,124.45/54,054.68
  6. Step 6: Final answer
    x = 43,761.41

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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.