Home / 96,763.20-145,106.40-34,401.60

Finding the Fourth Proportional to 96,763.20, 145,106.40 and 34,401.60

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Solution

The fourth proportional to 96,763.20, 145,106.40 and 34,401.60 is: 51,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,763.20 : 145,106.40 = 34,401.60 : x
  2. Step 2: Convert to fraction form
    96,763.20/145,106.40 = 34,401.60/x
  3. Step 3: Cross multiply
    96,763.20x = 145,106.40 × 34,401.60
  4. Step 4: Simplify right side
    96,763.20x = 4,991,892,330.24
  5. Step 5: Solve for x
    x = 4,991,892,330.24/96,763.20
  6. Step 6: Final answer
    x = 51,588.75

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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.