Home / 115,876.40-173,814.60-49,318.70

Finding the Fourth Proportional to 115,876.40, 173,814.60 and 49,318.70

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Solution

The fourth proportional to 115,876.40, 173,814.60 and 49,318.70 is: 73,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,876.40 : 173,814.60 = 49,318.70 : x
  2. Step 2: Convert to fraction form
    115,876.40/173,814.60 = 49,318.70/x
  3. Step 3: Cross multiply
    115,876.40x = 173,814.60 × 49,318.70
  4. Step 4: Simplify right side
    115,876.40x = 8,572,310,113.02
  5. Step 5: Solve for x
    x = 8,572,310,113.02/115,876.40
  6. Step 6: Final answer
    x = 73,978.05

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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.