Home / 96,423.40-144,440.70-54,821.80

Finding the Fourth Proportional to 96,423.40, 144,440.70 and 54,821.80

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Solution

The fourth proportional to 96,423.40, 144,440.70 and 54,821.80 is: 82,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,423.40 : 144,440.70 = 54,821.80 : x
  2. Step 2: Convert to fraction form
    96,423.40/144,440.70 = 54,821.80/x
  3. Step 3: Cross multiply
    96,423.40x = 144,440.70 × 54,821.80
  4. Step 4: Simplify right side
    96,423.40x = 7,918,499,167.26
  5. Step 5: Solve for x
    x = 7,918,499,167.26/96,423.40
  6. Step 6: Final answer
    x = 82,122.17

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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.