Home / 98,172.14-147,272.04-34,978.70

Finding the Fourth Proportional to 98,172.14, 147,272.04 and 34,978.70

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Solution

The fourth proportional to 98,172.14, 147,272.04 and 34,978.70 is: 52,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,172.14 : 147,272.04 = 34,978.70 : x
  2. Step 2: Convert to fraction form
    98,172.14/147,272.04 = 34,978.70/x
  3. Step 3: Cross multiply
    98,172.14x = 147,272.04 × 34,978.70
  4. Step 4: Simplify right side
    98,172.14x = 5,151,384,873.73
  5. Step 5: Solve for x
    x = 5,151,384,873.73/98,172.14
  6. Step 6: Final answer
    x = 52,472.98

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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.