Home / 61,036.75-91,971.01-50,186.50

Finding the Fourth Proportional to 61,036.75, 91,971.01 and 50,186.50

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Solution

The fourth proportional to 61,036.75, 91,971.01 and 50,186.50 is: 75,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036.75 : 91,971.01 = 50,186.50 : x
  2. Step 2: Convert to fraction form
    61,036.75/91,971.01 = 50,186.50/x
  3. Step 3: Cross multiply
    61,036.75x = 91,971.01 × 50,186.50
  4. Step 4: Simplify right side
    61,036.75x = 4,615,703,093.37
  5. Step 5: Solve for x
    x = 4,615,703,093.37/61,036.75
  6. Step 6: Final answer
    x = 75,621.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.