Home / 98,736.06-148,424.85-79,228.02

Finding the Fourth Proportional to 98,736.06, 148,424.85 and 79,228.02

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Solution

The fourth proportional to 98,736.06, 148,424.85 and 79,228.02 is: 119,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,736.06 : 148,424.85 = 79,228.02 : x
  2. Step 2: Convert to fraction form
    98,736.06/148,424.85 = 79,228.02/x
  3. Step 3: Cross multiply
    98,736.06x = 148,424.85 × 79,228.02
  4. Step 4: Simplify right side
    98,736.06x = 11,759,406,984.30
  5. Step 5: Solve for x
    x = 11,759,406,984.30/98,736.06
  6. Step 6: Final answer
    x = 119,099.41

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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.