Home / 66,091.16-91,241.34-50,950.64

Finding the Fourth Proportional to 66,091.16, 91,241.34 and 50,950.64

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Solution

The fourth proportional to 66,091.16, 91,241.34 and 50,950.64 is: 70,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,091.16 : 91,241.34 = 50,950.64 : x
  2. Step 2: Convert to fraction form
    66,091.16/91,241.34 = 50,950.64/x
  3. Step 3: Cross multiply
    66,091.16x = 91,241.34 × 50,950.64
  4. Step 4: Simplify right side
    66,091.16x = 4,648,804,667.46
  5. Step 5: Solve for x
    x = 4,648,804,667.46/66,091.16
  6. Step 6: Final answer
    x = 70,339.28

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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.