Home / 51,015.12-70,260-43,938.96

Finding the Fourth Proportional to 51,015.12, 70,260 and 43,938.96

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Solution

The fourth proportional to 51,015.12, 70,260 and 43,938.96 is: 60,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.12 : 70,260 = 43,938.96 : x
  2. Step 2: Convert to fraction form
    51,015.12/70,260 = 43,938.96/x
  3. Step 3: Cross multiply
    51,015.12x = 70,260 × 43,938.96
  4. Step 4: Simplify right side
    51,015.12x = 3,087,151,329.60
  5. Step 5: Solve for x
    x = 3,087,151,329.60/51,015.12
  6. Step 6: Final answer
    x = 60,514.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.