Home / 45,506.48-68,266.20-19,223.60

Finding the Fourth Proportional to 45,506.48, 68,266.20 and 19,223.60

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Solution

The fourth proportional to 45,506.48, 68,266.20 and 19,223.60 is: 28,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.48 : 68,266.20 = 19,223.60 : x
  2. Step 2: Convert to fraction form
    45,506.48/68,266.20 = 19,223.60/x
  3. Step 3: Cross multiply
    45,506.48x = 68,266.20 × 19,223.60
  4. Step 4: Simplify right side
    45,506.48x = 1,312,322,122.32
  5. Step 5: Solve for x
    x = 1,312,322,122.32/45,506.48
  6. Step 6: Final answer
    x = 28,838.14

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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.