Home / 99,427.21-149,052.40-36,235.47

Finding the Fourth Proportional to 99,427.21, 149,052.40 and 36,235.47

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Solution

The fourth proportional to 99,427.21, 149,052.40 and 36,235.47 is: 54,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,427.21 : 149,052.40 = 36,235.47 : x
  2. Step 2: Convert to fraction form
    99,427.21/149,052.40 = 36,235.47/x
  3. Step 3: Cross multiply
    99,427.21x = 149,052.40 × 36,235.47
  4. Step 4: Simplify right side
    99,427.21x = 5,400,983,768.63
  5. Step 5: Solve for x
    x = 5,400,983,768.63/99,427.21
  6. Step 6: Final answer
    x = 54,320.98

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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.