Home / 56,698.20-85,051.44-19,243.08

Finding the Fourth Proportional to 56,698.20, 85,051.44 and 19,243.08

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Solution

The fourth proportional to 56,698.20, 85,051.44 and 19,243.08 is: 28,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,698.20 : 85,051.44 = 19,243.08 : x
  2. Step 2: Convert to fraction form
    56,698.20/85,051.44 = 19,243.08/x
  3. Step 3: Cross multiply
    56,698.20x = 85,051.44 × 19,243.08
  4. Step 4: Simplify right side
    56,698.20x = 1,636,651,664.04
  5. Step 5: Solve for x
    x = 1,636,651,664.04/56,698.20
  6. Step 6: Final answer
    x = 28,866.03

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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.