Home / 98,020.20-146,876.70-84,810.60

Finding the Fourth Proportional to 98,020.20, 146,876.70 and 84,810.60

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Solution

The fourth proportional to 98,020.20, 146,876.70 and 84,810.60 is: 127,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,020.20 : 146,876.70 = 84,810.60 : x
  2. Step 2: Convert to fraction form
    98,020.20/146,876.70 = 84,810.60/x
  3. Step 3: Cross multiply
    98,020.20x = 146,876.70 × 84,810.60
  4. Step 4: Simplify right side
    98,020.20x = 12,456,701,053.02
  5. Step 5: Solve for x
    x = 12,456,701,053.02/98,020.20
  6. Step 6: Final answer
    x = 127,083.00

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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.