Home / 98,940.06-148,354.59-42,745.08

Finding the Fourth Proportional to 98,940.06, 148,354.59 and 42,745.08

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Solution

The fourth proportional to 98,940.06, 148,354.59 and 42,745.08 is: 64,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,940.06 : 148,354.59 = 42,745.08 : x
  2. Step 2: Convert to fraction form
    98,940.06/148,354.59 = 42,745.08/x
  3. Step 3: Cross multiply
    98,940.06x = 148,354.59 × 42,745.08
  4. Step 4: Simplify right side
    98,940.06x = 6,341,428,817.92
  5. Step 5: Solve for x
    x = 6,341,428,817.92/98,940.06
  6. Step 6: Final answer
    x = 64,093.64

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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.