Home / 65,894.08-98,854.56-19,145.92

Finding the Fourth Proportional to 65,894.08, 98,854.56 and 19,145.92

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Solution

The fourth proportional to 65,894.08, 98,854.56 and 19,145.92 is: 28,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.08 : 98,854.56 = 19,145.92 : x
  2. Step 2: Convert to fraction form
    65,894.08/98,854.56 = 19,145.92/x
  3. Step 3: Cross multiply
    65,894.08x = 98,854.56 × 19,145.92
  4. Step 4: Simplify right side
    65,894.08x = 1,892,661,497.40
  5. Step 5: Solve for x
    x = 1,892,661,497.40/65,894.08
  6. Step 6: Final answer
    x = 28,722.79

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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.