Home / 75,846.03-113,768.13-19,681.14

Finding the Fourth Proportional to 75,846.03, 113,768.13 and 19,681.14

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Solution

The fourth proportional to 75,846.03, 113,768.13 and 19,681.14 is: 29,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,846.03 : 113,768.13 = 19,681.14 : x
  2. Step 2: Convert to fraction form
    75,846.03/113,768.13 = 19,681.14/x
  3. Step 3: Cross multiply
    75,846.03x = 113,768.13 × 19,681.14
  4. Step 4: Simplify right side
    75,846.03x = 2,239,086,494.07
  5. Step 5: Solve for x
    x = 2,239,086,494.07/75,846.03
  6. Step 6: Final answer
    x = 29,521.47

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1.5x scale

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.