Home / 67,219.08-100,829.10-25,108.68

Finding the Fourth Proportional to 67,219.08, 100,829.10 and 25,108.68

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Solution

The fourth proportional to 67,219.08, 100,829.10 and 25,108.68 is: 37,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,219.08 : 100,829.10 = 25,108.68 : x
  2. Step 2: Convert to fraction form
    67,219.08/100,829.10 = 25,108.68/x
  3. Step 3: Cross multiply
    67,219.08x = 100,829.10 × 25,108.68
  4. Step 4: Simplify right side
    67,219.08x = 2,531,685,606.59
  5. Step 5: Solve for x
    x = 2,531,685,606.59/67,219.08
  6. Step 6: Final answer
    x = 37,663.20

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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.