Home / 96,979.10-145,471.08-26,859.02

Finding the Fourth Proportional to 96,979.10, 145,471.08 and 26,859.02

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Solution

The fourth proportional to 96,979.10, 145,471.08 and 26,859.02 is: 40,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,979.10 : 145,471.08 = 26,859.02 : x
  2. Step 2: Convert to fraction form
    96,979.10/145,471.08 = 26,859.02/x
  3. Step 3: Cross multiply
    96,979.10x = 145,471.08 × 26,859.02
  4. Step 4: Simplify right side
    96,979.10x = 3,907,209,919.79
  5. Step 5: Solve for x
    x = 3,907,209,919.79/96,979.10
  6. Step 6: Final answer
    x = 40,289.20

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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.