Home / 91,277.90-125,958.98-50,983.64

Finding the Fourth Proportional to 91,277.90, 125,958.98 and 50,983.64

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Solution

The fourth proportional to 91,277.90, 125,958.98 and 50,983.64 is: 70,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,277.90 : 125,958.98 = 50,983.64 : x
  2. Step 2: Convert to fraction form
    91,277.90/125,958.98 = 50,983.64/x
  3. Step 3: Cross multiply
    91,277.90x = 125,958.98 × 50,983.64
  4. Step 4: Simplify right side
    91,277.90x = 6,421,847,291.09
  5. Step 5: Solve for x
    x = 6,421,847,291.09/91,277.90
  6. Step 6: Final answer
    x = 70,354.90

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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.