Home / 96,822.80-145,234.20-89,824.40

Finding the Fourth Proportional to 96,822.80, 145,234.20 and 89,824.40

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Solution

The fourth proportional to 96,822.80, 145,234.20 and 89,824.40 is: 134,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,822.80 : 145,234.20 = 89,824.40 : x
  2. Step 2: Convert to fraction form
    96,822.80/145,234.20 = 89,824.40/x
  3. Step 3: Cross multiply
    96,822.80x = 145,234.20 × 89,824.40
  4. Step 4: Simplify right side
    96,822.80x = 13,045,574,874.48
  5. Step 5: Solve for x
    x = 13,045,574,874.48/96,822.80
  6. Step 6: Final answer
    x = 134,736.60

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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.