Home / 45,798.84-68,699.52-12,519.36

Finding the Fourth Proportional to 45,798.84, 68,699.52 and 12,519.36

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Solution

The fourth proportional to 45,798.84, 68,699.52 and 12,519.36 is: 18,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798.84 : 68,699.52 = 12,519.36 : x
  2. Step 2: Convert to fraction form
    45,798.84/68,699.52 = 12,519.36/x
  3. Step 3: Cross multiply
    45,798.84x = 68,699.52 × 12,519.36
  4. Step 4: Simplify right side
    45,798.84x = 860,074,022.71
  5. Step 5: Solve for x
    x = 860,074,022.71/45,798.84
  6. Step 6: Final answer
    x = 18,779.38

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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.