Home / 98,897.17-148,370.06-28,777.09

Finding the Fourth Proportional to 98,897.17, 148,370.06 and 28,777.09

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Solution

The fourth proportional to 98,897.17, 148,370.06 and 28,777.09 is: 43,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.17 : 148,370.06 = 28,777.09 : x
  2. Step 2: Convert to fraction form
    98,897.17/148,370.06 = 28,777.09/x
  3. Step 3: Cross multiply
    98,897.17x = 148,370.06 × 28,777.09
  4. Step 4: Simplify right side
    98,897.17x = 4,269,658,426.04
  5. Step 5: Solve for x
    x = 4,269,658,426.04/98,897.17
  6. Step 6: Final answer
    x = 43,172.71

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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.