Home / 91,059.32-125,662.50-50,775.68

Finding the Fourth Proportional to 91,059.32, 125,662.50 and 50,775.68

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Solution

The fourth proportional to 91,059.32, 125,662.50 and 50,775.68 is: 70,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.32 : 125,662.50 = 50,775.68 : x
  2. Step 2: Convert to fraction form
    91,059.32/125,662.50 = 50,775.68/x
  3. Step 3: Cross multiply
    91,059.32x = 125,662.50 × 50,775.68
  4. Step 4: Simplify right side
    91,059.32x = 6,380,598,888
  5. Step 5: Solve for x
    x = 6,380,598,888/91,059.32
  6. Step 6: Final answer
    x = 70,070.79

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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.