Home / 67,029.41-100,543.49-17,108.81

Finding the Fourth Proportional to 67,029.41, 100,543.49 and 17,108.81

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Solution

The fourth proportional to 67,029.41, 100,543.49 and 17,108.81 is: 25,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,029.41 : 100,543.49 = 17,108.81 : x
  2. Step 2: Convert to fraction form
    67,029.41/100,543.49 = 17,108.81/x
  3. Step 3: Cross multiply
    67,029.41x = 100,543.49 × 17,108.81
  4. Step 4: Simplify right side
    67,029.41x = 1,720,178,878.89
  5. Step 5: Solve for x
    x = 1,720,178,878.89/67,029.41
  6. Step 6: Final answer
    x = 25,663.05

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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.