Home / 64,616.20-96,809.10-52,865.80

Finding the Fourth Proportional to 64,616.20, 96,809.10 and 52,865.80

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Solution

The fourth proportional to 64,616.20, 96,809.10 and 52,865.80 is: 79,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,616.20 : 96,809.10 = 52,865.80 : x
  2. Step 2: Convert to fraction form
    64,616.20/96,809.10 = 52,865.80/x
  3. Step 3: Cross multiply
    64,616.20x = 96,809.10 × 52,865.80
  4. Step 4: Simplify right side
    64,616.20x = 5,117,890,518.78
  5. Step 5: Solve for x
    x = 5,117,890,518.78/64,616.20
  6. Step 6: Final answer
    x = 79,204.45

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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.