Home / 99,905.25-149,854.43-25,026.05

Finding the Fourth Proportional to 99,905.25, 149,854.43 and 25,026.05

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Solution

The fourth proportional to 99,905.25, 149,854.43 and 25,026.05 is: 37,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,905.25 : 149,854.43 = 25,026.05 : x
  2. Step 2: Convert to fraction form
    99,905.25/149,854.43 = 25,026.05/x
  3. Step 3: Cross multiply
    99,905.25x = 149,854.43 × 25,026.05
  4. Step 4: Simplify right side
    99,905.25x = 3,750,263,583.50
  5. Step 5: Solve for x
    x = 3,750,263,583.50/99,905.25
  6. Step 6: Final answer
    x = 37,538.20

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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.