Home / 115,467.60-173,071.80-48,896.40

Finding the Fourth Proportional to 115,467.60, 173,071.80 and 48,896.40

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Solution

The fourth proportional to 115,467.60, 173,071.80 and 48,896.40 is: 73,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,467.60 : 173,071.80 = 48,896.40 : x
  2. Step 2: Convert to fraction form
    115,467.60/173,071.80 = 48,896.40/x
  3. Step 3: Cross multiply
    115,467.60x = 173,071.80 × 48,896.40
  4. Step 4: Simplify right side
    115,467.60x = 8,462,587,961.52
  5. Step 5: Solve for x
    x = 8,462,587,961.52/115,467.60
  6. Step 6: Final answer
    x = 73,289.72

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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.