Home / 98,740.44-148,044.96-54,388.08

Finding the Fourth Proportional to 98,740.44, 148,044.96 and 54,388.08

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Solution

The fourth proportional to 98,740.44, 148,044.96 and 54,388.08 is: 81,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.44 : 148,044.96 = 54,388.08 : x
  2. Step 2: Convert to fraction form
    98,740.44/148,044.96 = 54,388.08/x
  3. Step 3: Cross multiply
    98,740.44x = 148,044.96 × 54,388.08
  4. Step 4: Simplify right side
    98,740.44x = 8,051,881,128.08
  5. Step 5: Solve for x
    x = 8,051,881,128.08/98,740.44
  6. Step 6: Final answer
    x = 81,545.93

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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.