Home / 45,355.34-68,017.87-19,055.18

Finding the Fourth Proportional to 45,355.34, 68,017.87 and 19,055.18

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Solution

The fourth proportional to 45,355.34, 68,017.87 and 19,055.18 is: 28,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355.34 : 68,017.87 = 19,055.18 : x
  2. Step 2: Convert to fraction form
    45,355.34/68,017.87 = 19,055.18/x
  3. Step 3: Cross multiply
    45,355.34x = 68,017.87 × 19,055.18
  4. Step 4: Simplify right side
    45,355.34x = 1,296,092,756.07
  5. Step 5: Solve for x
    x = 1,296,092,756.07/45,355.34
  6. Step 6: Final answer
    x = 28,576.41

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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.