Home / 98,002.20-146,852.10-72,924.60

Finding the Fourth Proportional to 98,002.20, 146,852.10 and 72,924.60

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Solution

The fourth proportional to 98,002.20, 146,852.10 and 72,924.60 is: 109,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,002.20 : 146,852.10 = 72,924.60 : x
  2. Step 2: Convert to fraction form
    98,002.20/146,852.10 = 72,924.60/x
  3. Step 3: Cross multiply
    98,002.20x = 146,852.10 × 72,924.60
  4. Step 4: Simplify right side
    98,002.20x = 10,709,130,651.66
  5. Step 5: Solve for x
    x = 10,709,130,651.66/98,002.20
  6. Step 6: Final answer
    x = 109,274.39

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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.