Home / 65,911.27-98,883.78-19,164.16

Finding the Fourth Proportional to 65,911.27, 98,883.78 and 19,164.16

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Solution

The fourth proportional to 65,911.27, 98,883.78 and 19,164.16 is: 28,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,911.27 : 98,883.78 = 19,164.16 : x
  2. Step 2: Convert to fraction form
    65,911.27/98,883.78 = 19,164.16/x
  3. Step 3: Cross multiply
    65,911.27x = 98,883.78 × 19,164.16
  4. Step 4: Simplify right side
    65,911.27x = 1,895,024,581.32
  5. Step 5: Solve for x
    x = 1,895,024,581.32/65,911.27
  6. Step 6: Final answer
    x = 28,751.15

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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.