Home / 98,896.87-148,349.40-28,776.18

Finding the Fourth Proportional to 98,896.87, 148,349.40 and 28,776.18

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Solution

The fourth proportional to 98,896.87, 148,349.40 and 28,776.18 is: 43,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,896.87 : 148,349.40 = 28,776.18 : x
  2. Step 2: Convert to fraction form
    98,896.87/148,349.40 = 28,776.18/x
  3. Step 3: Cross multiply
    98,896.87x = 148,349.40 × 28,776.18
  4. Step 4: Simplify right side
    98,896.87x = 4,268,929,037.29
  5. Step 5: Solve for x
    x = 4,268,929,037.29/98,896.87
  6. Step 6: Final answer
    x = 43,165.46

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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.