Home / 47,690.06-71,542.62-14,405.99

Finding the Fourth Proportional to 47,690.06, 71,542.62 and 14,405.99

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Solution

The fourth proportional to 47,690.06, 71,542.62 and 14,405.99 is: 21,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,690.06 : 71,542.62 = 14,405.99 : x
  2. Step 2: Convert to fraction form
    47,690.06/71,542.62 = 14,405.99/x
  3. Step 3: Cross multiply
    47,690.06x = 71,542.62 × 14,405.99
  4. Step 4: Simplify right side
    47,690.06x = 1,030,642,268.29
  5. Step 5: Solve for x
    x = 1,030,642,268.29/47,690.06
  6. Step 6: Final answer
    x = 21,611.26

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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.