Home / 67,022.36-100,550.10-47,339.36

Finding the Fourth Proportional to 67,022.36, 100,550.10 and 47,339.36

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Solution

The fourth proportional to 67,022.36, 100,550.10 and 47,339.36 is: 71,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,022.36 : 100,550.10 = 47,339.36 : x
  2. Step 2: Convert to fraction form
    67,022.36/100,550.10 = 47,339.36/x
  3. Step 3: Cross multiply
    67,022.36x = 100,550.10 × 47,339.36
  4. Step 4: Simplify right side
    67,022.36x = 4,759,977,381.94
  5. Step 5: Solve for x
    x = 4,759,977,381.94/67,022.36
  6. Step 6: Final answer
    x = 71,020.74

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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.