Home / 115,411.40-173,181.90-48,840.20

Finding the Fourth Proportional to 115,411.40, 173,181.90 and 48,840.20

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Solution

The fourth proportional to 115,411.40, 173,181.90 and 48,840.20 is: 73,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,411.40 : 173,181.90 = 48,840.20 : x
  2. Step 2: Convert to fraction form
    115,411.40/173,181.90 = 48,840.20/x
  3. Step 3: Cross multiply
    115,411.40x = 173,181.90 × 48,840.20
  4. Step 4: Simplify right side
    115,411.40x = 8,458,238,632.38
  5. Step 5: Solve for x
    x = 8,458,238,632.38/115,411.40
  6. Step 6: Final answer
    x = 73,287.72

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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.