Home / 67,244.42-100,772.23-53,142.45

Finding the Fourth Proportional to 67,244.42, 100,772.23 and 53,142.45

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Solution

The fourth proportional to 67,244.42, 100,772.23 and 53,142.45 is: 79,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,244.42 : 100,772.23 = 53,142.45 : x
  2. Step 2: Convert to fraction form
    67,244.42/100,772.23 = 53,142.45/x
  3. Step 3: Cross multiply
    67,244.42x = 100,772.23 × 53,142.45
  4. Step 4: Simplify right side
    67,244.42x = 5,355,283,194.16
  5. Step 5: Solve for x
    x = 5,355,283,194.16/67,244.42
  6. Step 6: Final answer
    x = 79,639.07

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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.