Home / 98,979.42-148,440.12-27,897.36

Finding the Fourth Proportional to 98,979.42, 148,440.12 and 27,897.36

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Solution

The fourth proportional to 98,979.42, 148,440.12 and 27,897.36 is: 41,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,979.42 : 148,440.12 = 27,897.36 : x
  2. Step 2: Convert to fraction form
    98,979.42/148,440.12 = 27,897.36/x
  3. Step 3: Cross multiply
    98,979.42x = 148,440.12 × 27,897.36
  4. Step 4: Simplify right side
    98,979.42x = 4,141,087,466.08
  5. Step 5: Solve for x
    x = 4,141,087,466.08/98,979.42
  6. Step 6: Final answer
    x = 41,837.86

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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.