Home / 65,107.09-97,659.96-49,408.57

Finding the Fourth Proportional to 65,107.09, 97,659.96 and 49,408.57

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Solution

The fourth proportional to 65,107.09, 97,659.96 and 49,408.57 is: 74,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,107.09 : 97,659.96 = 49,408.57 : x
  2. Step 2: Convert to fraction form
    65,107.09/97,659.96 = 49,408.57/x
  3. Step 3: Cross multiply
    65,107.09x = 97,659.96 × 49,408.57
  4. Step 4: Simplify right side
    65,107.09x = 4,825,238,969.86
  5. Step 5: Solve for x
    x = 4,825,238,969.86/65,107.09
  6. Step 6: Final answer
    x = 74,112.34

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1.5x scale

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.