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Finding the Fourth Proportional to 76,277.36, 105,241 and 44,009.42

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Solution

The fourth proportional to 76,277.36, 105,241 and 44,009.42 is: 60,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,277.36 : 105,241 = 44,009.42 : x
  2. Step 2: Convert to fraction form
    76,277.36/105,241 = 44,009.42/x
  3. Step 3: Cross multiply
    76,277.36x = 105,241 × 44,009.42
  4. Step 4: Simplify right side
    76,277.36x = 4,631,595,370.22
  5. Step 5: Solve for x
    x = 4,631,595,370.22/76,277.36
  6. Step 6: Final answer
    x = 60,720.45

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1.5x scale

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.