Home / 72,861.35-100,546.70-41,029.57

Finding the Fourth Proportional to 72,861.35, 100,546.70 and 41,029.57

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Solution

The fourth proportional to 72,861.35, 100,546.70 and 41,029.57 is: 56,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,861.35 : 100,546.70 = 41,029.57 : x
  2. Step 2: Convert to fraction form
    72,861.35/100,546.70 = 41,029.57/x
  3. Step 3: Cross multiply
    72,861.35x = 100,546.70 × 41,029.57
  4. Step 4: Simplify right side
    72,861.35x = 4,125,387,363.19
  5. Step 5: Solve for x
    x = 4,125,387,363.19/72,861.35
  6. Step 6: Final answer
    x = 56,619.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.