Home / 91,166.31-125,815.82-50,887.94

Finding the Fourth Proportional to 91,166.31, 125,815.82 and 50,887.94

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Solution

The fourth proportional to 91,166.31, 125,815.82 and 50,887.94 is: 70,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,166.31 : 125,815.82 = 50,887.94 : x
  2. Step 2: Convert to fraction form
    91,166.31/125,815.82 = 50,887.94/x
  3. Step 3: Cross multiply
    91,166.31x = 125,815.82 × 50,887.94
  4. Step 4: Simplify right side
    91,166.31x = 6,402,507,015.69
  5. Step 5: Solve for x
    x = 6,402,507,015.69/91,166.31
  6. Step 6: Final answer
    x = 70,228.87

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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.