Home / 51,464.12-71,054.16-39,589.52

Finding the Fourth Proportional to 51,464.12, 71,054.16 and 39,589.52

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Solution

The fourth proportional to 51,464.12, 71,054.16 and 39,589.52 is: 54,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,464.12 : 71,054.16 = 39,589.52 : x
  2. Step 2: Convert to fraction form
    51,464.12/71,054.16 = 39,589.52/x
  3. Step 3: Cross multiply
    51,464.12x = 71,054.16 × 39,589.52
  4. Step 4: Simplify right side
    51,464.12x = 2,813,000,088.40
  5. Step 5: Solve for x
    x = 2,813,000,088.40/51,464.12
  6. Step 6: Final answer
    x = 54,659.44

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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.