Home / 54,953.10-75,835.44-31,081.32

Finding the Fourth Proportional to 54,953.10, 75,835.44 and 31,081.32

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Solution

The fourth proportional to 54,953.10, 75,835.44 and 31,081.32 is: 42,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,953.10 : 75,835.44 = 31,081.32 : x
  2. Step 2: Convert to fraction form
    54,953.10/75,835.44 = 31,081.32/x
  3. Step 3: Cross multiply
    54,953.10x = 75,835.44 × 31,081.32
  4. Step 4: Simplify right side
    54,953.10x = 2,357,065,577.98
  5. Step 5: Solve for x
    x = 2,357,065,577.98/54,953.10
  6. Step 6: Final answer
    x = 42,892.31

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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.