Home / 115,702.25-173,486.96-45,543.29

Finding the Fourth Proportional to 115,702.25, 173,486.96 and 45,543.29

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Solution

The fourth proportional to 115,702.25, 173,486.96 and 45,543.29 is: 68,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,702.25 : 173,486.96 = 45,543.29 : x
  2. Step 2: Convert to fraction form
    115,702.25/173,486.96 = 45,543.29/x
  3. Step 3: Cross multiply
    115,702.25x = 173,486.96 × 45,543.29
  4. Step 4: Simplify right side
    115,702.25x = 7,901,166,702.78
  5. Step 5: Solve for x
    x = 7,901,166,702.78/115,702.25
  6. Step 6: Final answer
    x = 68,288.79

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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.