Home / 115,619.12-173,445.60-49,059.20

Finding the Fourth Proportional to 115,619.12, 173,445.60 and 49,059.20

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Solution

The fourth proportional to 115,619.12, 173,445.60 and 49,059.20 is: 73,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,619.12 : 173,445.60 = 49,059.20 : x
  2. Step 2: Convert to fraction form
    115,619.12/173,445.60 = 49,059.20/x
  3. Step 3: Cross multiply
    115,619.12x = 173,445.60 × 49,059.20
  4. Step 4: Simplify right side
    115,619.12x = 8,509,102,379.52
  5. Step 5: Solve for x
    x = 8,509,102,379.52/115,619.12
  6. Step 6: Final answer
    x = 73,595.98

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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.