Home / 49,135.12-73,690.20-14,065.36

Finding the Fourth Proportional to 49,135.12, 73,690.20 and 14,065.36

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Solution

The fourth proportional to 49,135.12, 73,690.20 and 14,065.36 is: 21,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.12 : 73,690.20 = 14,065.36 : x
  2. Step 2: Convert to fraction form
    49,135.12/73,690.20 = 14,065.36/x
  3. Step 3: Cross multiply
    49,135.12x = 73,690.20 × 14,065.36
  4. Step 4: Simplify right side
    49,135.12x = 1,036,479,191.47
  5. Step 5: Solve for x
    x = 1,036,479,191.47/49,135.12
  6. Step 6: Final answer
    x = 21,094.47

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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.