Home / 91,021.62-125,610.40-50,737.94

Finding the Fourth Proportional to 91,021.62, 125,610.40 and 50,737.94

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Solution

The fourth proportional to 91,021.62, 125,610.40 and 50,737.94 is: 70,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,021.62 : 125,610.40 = 50,737.94 : x
  2. Step 2: Convert to fraction form
    91,021.62/125,610.40 = 50,737.94/x
  3. Step 3: Cross multiply
    91,021.62x = 125,610.40 × 50,737.94
  4. Step 4: Simplify right side
    91,021.62x = 6,373,212,938.58
  5. Step 5: Solve for x
    x = 6,373,212,938.58/91,021.62
  6. Step 6: Final answer
    x = 70,018.67

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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.