Home / 96,986.29-145,479.43-26,865.61

Finding the Fourth Proportional to 96,986.29, 145,479.43 and 26,865.61

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Solution

The fourth proportional to 96,986.29, 145,479.43 and 26,865.61 is: 40,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.29 : 145,479.43 = 26,865.61 : x
  2. Step 2: Convert to fraction form
    96,986.29/145,479.43 = 26,865.61/x
  3. Step 3: Cross multiply
    96,986.29x = 145,479.43 × 26,865.61
  4. Step 4: Simplify right side
    96,986.29x = 3,908,393,629.40
  5. Step 5: Solve for x
    x = 3,908,393,629.40/96,986.29
  6. Step 6: Final answer
    x = 40,298.41

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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.