Home / 65,934.63-98,918.28-19,187.64

Finding the Fourth Proportional to 65,934.63, 98,918.28 and 19,187.64

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Solution

The fourth proportional to 65,934.63, 98,918.28 and 19,187.64 is: 28,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.63 : 98,918.28 = 19,187.64 : x
  2. Step 2: Convert to fraction form
    65,934.63/98,918.28 = 19,187.64/x
  3. Step 3: Cross multiply
    65,934.63x = 98,918.28 × 19,187.64
  4. Step 4: Simplify right side
    65,934.63x = 1,898,008,346.06
  5. Step 5: Solve for x
    x = 1,898,008,346.06/65,934.63
  6. Step 6: Final answer
    x = 28,786.21

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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.