Home / 115,749.60-173,693.43-51,702.72

Finding the Fourth Proportional to 115,749.60, 173,693.43 and 51,702.72

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Solution

The fourth proportional to 115,749.60, 173,693.43 and 51,702.72 is: 77,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,749.60 : 173,693.43 = 51,702.72 : x
  2. Step 2: Convert to fraction form
    115,749.60/173,693.43 = 51,702.72/x
  3. Step 3: Cross multiply
    115,749.60x = 173,693.43 × 51,702.72
  4. Step 4: Simplify right side
    115,749.60x = 8,980,422,777.13
  5. Step 5: Solve for x
    x = 8,980,422,777.13/115,749.60
  6. Step 6: Final answer
    x = 77,584.91

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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.