Home / 70,375.66-97,119.09-42,081.34

Finding the Fourth Proportional to 70,375.66, 97,119.09 and 42,081.34

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Solution

The fourth proportional to 70,375.66, 97,119.09 and 42,081.34 is: 58,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,375.66 : 97,119.09 = 42,081.34 : x
  2. Step 2: Convert to fraction form
    70,375.66/97,119.09 = 42,081.34/x
  3. Step 3: Cross multiply
    70,375.66x = 97,119.09 × 42,081.34
  4. Step 4: Simplify right side
    70,375.66x = 4,086,901,446.78
  5. Step 5: Solve for x
    x = 4,086,901,446.78/70,375.66
  6. Step 6: Final answer
    x = 58,072.66

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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.