Home / 115,576.18-173,390.88-49,018.90

Finding the Fourth Proportional to 115,576.18, 173,390.88 and 49,018.90

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Solution

The fourth proportional to 115,576.18, 173,390.88 and 49,018.90 is: 73,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,576.18 : 173,390.88 = 49,018.90 : x
  2. Step 2: Convert to fraction form
    115,576.18/173,390.88 = 49,018.90/x
  3. Step 3: Cross multiply
    115,576.18x = 173,390.88 × 49,018.90
  4. Step 4: Simplify right side
    115,576.18x = 8,499,430,207.63
  5. Step 5: Solve for x
    x = 8,499,430,207.63/115,576.18
  6. Step 6: Final answer
    x = 73,539.64

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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.