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Finding the Fourth Proportional to 70,755.35, 97,636.46 and 41,679.09

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Solution

The fourth proportional to 70,755.35, 97,636.46 and 41,679.09 is: 57,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,755.35 : 97,636.46 = 41,679.09 : x
  2. Step 2: Convert to fraction form
    70,755.35/97,636.46 = 41,679.09/x
  3. Step 3: Cross multiply
    70,755.35x = 97,636.46 × 41,679.09
  4. Step 4: Simplify right side
    70,755.35x = 4,069,398,595.23
  5. Step 5: Solve for x
    x = 4,069,398,595.23/70,755.35
  6. Step 6: Final answer
    x = 57,513.66

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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.