Home / 52,713.09-79,018.88-19,415.00

Finding the Fourth Proportional to 52,713.09, 79,018.88 and 19,415.00

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Solution

The fourth proportional to 52,713.09, 79,018.88 and 19,415.00 is: 29,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,713.09 : 79,018.88 = 19,415.00 : x
  2. Step 2: Convert to fraction form
    52,713.09/79,018.88 = 19,415.00/x
  3. Step 3: Cross multiply
    52,713.09x = 79,018.88 × 19,415.00
  4. Step 4: Simplify right side
    52,713.09x = 1,534,151,063.03
  5. Step 5: Solve for x
    x = 1,534,151,063.03/52,713.09
  6. Step 6: Final answer
    x = 29,103.80

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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.