Home / 98,163.36-147,269.52-28,043.28

Finding the Fourth Proportional to 98,163.36, 147,269.52 and 28,043.28

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Solution

The fourth proportional to 98,163.36, 147,269.52 and 28,043.28 is: 42,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,163.36 : 147,269.52 = 28,043.28 : x
  2. Step 2: Convert to fraction form
    98,163.36/147,269.52 = 28,043.28/x
  3. Step 3: Cross multiply
    98,163.36x = 147,269.52 × 28,043.28
  4. Step 4: Simplify right side
    98,163.36x = 4,129,920,384.83
  5. Step 5: Solve for x
    x = 4,129,920,384.83/98,163.36
  6. Step 6: Final answer
    x = 42,071.91

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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.