Home / 54,880.32-75,734.52-31,014.72

Finding the Fourth Proportional to 54,880.32, 75,734.52 and 31,014.72

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Solution

The fourth proportional to 54,880.32, 75,734.52 and 31,014.72 is: 42,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.32 : 75,734.52 = 31,014.72 : x
  2. Step 2: Convert to fraction form
    54,880.32/75,734.52 = 31,014.72/x
  3. Step 3: Cross multiply
    54,880.32x = 75,734.52 × 31,014.72
  4. Step 4: Simplify right side
    54,880.32x = 2,348,884,932.13
  5. Step 5: Solve for x
    x = 2,348,884,932.13/54,880.32
  6. Step 6: Final answer
    x = 42,800.13

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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.