Home / 65,768.52-98,667.39-19,017.84

Finding the Fourth Proportional to 65,768.52, 98,667.39 and 19,017.84

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Solution

The fourth proportional to 65,768.52, 98,667.39 and 19,017.84 is: 28,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,768.52 : 98,667.39 = 19,017.84 : x
  2. Step 2: Convert to fraction form
    65,768.52/98,667.39 = 19,017.84/x
  3. Step 3: Cross multiply
    65,768.52x = 98,667.39 × 19,017.84
  4. Step 4: Simplify right side
    65,768.52x = 1,876,440,636.24
  5. Step 5: Solve for x
    x = 1,876,440,636.24/65,768.52
  6. Step 6: Final answer
    x = 28,530.98

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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.