Home / 67,243.42-100,770.73-53,141.45

Finding the Fourth Proportional to 67,243.42, 100,770.73 and 53,141.45

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Solution

The fourth proportional to 67,243.42, 100,770.73 and 53,141.45 is: 79,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,243.42 : 100,770.73 = 53,141.45 : x
  2. Step 2: Convert to fraction form
    67,243.42/100,770.73 = 53,141.45/x
  3. Step 3: Cross multiply
    67,243.42x = 100,770.73 × 53,141.45
  4. Step 4: Simplify right side
    67,243.42x = 5,355,102,709.76
  5. Step 5: Solve for x
    x = 5,355,102,709.76/67,243.42
  6. Step 6: Final answer
    x = 79,637.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.