Home / 98,765.22-148,181.08-31,308.27

Finding the Fourth Proportional to 98,765.22, 148,181.08 and 31,308.27

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Solution

The fourth proportional to 98,765.22, 148,181.08 and 31,308.27 is: 46,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,765.22 : 148,181.08 = 31,308.27 : x
  2. Step 2: Convert to fraction form
    98,765.22/148,181.08 = 31,308.27/x
  3. Step 3: Cross multiply
    98,765.22x = 148,181.08 × 31,308.27
  4. Step 4: Simplify right side
    98,765.22x = 4,639,293,602.35
  5. Step 5: Solve for x
    x = 4,639,293,602.35/98,765.22
  6. Step 6: Final answer
    x = 46,972.95

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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.