Home / 65,982.60-98,943.12-19,226.16

Finding the Fourth Proportional to 65,982.60, 98,943.12 and 19,226.16

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Solution

The fourth proportional to 65,982.60, 98,943.12 and 19,226.16 is: 28,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,982.60 : 98,943.12 = 19,226.16 : x
  2. Step 2: Convert to fraction form
    65,982.60/98,943.12 = 19,226.16/x
  3. Step 3: Cross multiply
    65,982.60x = 98,943.12 × 19,226.16
  4. Step 4: Simplify right side
    65,982.60x = 1,902,296,256.02
  5. Step 5: Solve for x
    x = 1,902,296,256.02/65,982.60
  6. Step 6: Final answer
    x = 28,830.27

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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.