Home / 98,026.31-146,753.85-72,837.47

Finding the Fourth Proportional to 98,026.31, 146,753.85 and 72,837.47

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Solution

The fourth proportional to 98,026.31, 146,753.85 and 72,837.47 is: 109,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,026.31 : 146,753.85 = 72,837.47 : x
  2. Step 2: Convert to fraction form
    98,026.31/146,753.85 = 72,837.47/x
  3. Step 3: Cross multiply
    98,026.31x = 146,753.85 × 72,837.47
  4. Step 4: Simplify right side
    98,026.31x = 10,689,178,550.07
  5. Step 5: Solve for x
    x = 10,689,178,550.07/98,026.31
  6. Step 6: Final answer
    x = 109,043.97

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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.