Home / 98,901.57-148,284.78-47,583.15

Finding the Fourth Proportional to 98,901.57, 148,284.78 and 47,583.15

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Solution

The fourth proportional to 98,901.57, 148,284.78 and 47,583.15 is: 71,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,901.57 : 148,284.78 = 47,583.15 : x
  2. Step 2: Convert to fraction form
    98,901.57/148,284.78 = 47,583.15/x
  3. Step 3: Cross multiply
    98,901.57x = 148,284.78 × 47,583.15
  4. Step 4: Simplify right side
    98,901.57x = 7,055,856,929.46
  5. Step 5: Solve for x
    x = 7,055,856,929.46/98,901.57
  6. Step 6: Final answer
    x = 71,342.21

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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.