Home / 52,700.82-79,045.40-13,257.93

Finding the Fourth Proportional to 52,700.82, 79,045.40 and 13,257.93

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Solution

The fourth proportional to 52,700.82, 79,045.40 and 13,257.93 is: 19,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,700.82 : 79,045.40 = 13,257.93 : x
  2. Step 2: Convert to fraction form
    52,700.82/79,045.40 = 13,257.93/x
  3. Step 3: Cross multiply
    52,700.82x = 79,045.40 × 13,257.93
  4. Step 4: Simplify right side
    52,700.82x = 1,047,978,313.73
  5. Step 5: Solve for x
    x = 1,047,978,313.73/52,700.82
  6. Step 6: Final answer
    x = 19,885.43

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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.