Home / 65,911.16-98,883.60-19,164.04

Finding the Fourth Proportional to 65,911.16, 98,883.60 and 19,164.04

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Solution

The fourth proportional to 65,911.16, 98,883.60 and 19,164.04 is: 28,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,911.16 : 98,883.60 = 19,164.04 : x
  2. Step 2: Convert to fraction form
    65,911.16/98,883.60 = 19,164.04/x
  3. Step 3: Cross multiply
    65,911.16x = 98,883.60 × 19,164.04
  4. Step 4: Simplify right side
    65,911.16x = 1,895,008,675.51
  5. Step 5: Solve for x
    x = 1,895,008,675.51/65,911.16
  6. Step 6: Final answer
    x = 28,750.95

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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.