Home / 70,450.29-97,196.49-40,213.80

Finding the Fourth Proportional to 70,450.29, 97,196.49 and 40,213.80

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Solution

The fourth proportional to 70,450.29, 97,196.49 and 40,213.80 is: 55,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.29 : 97,196.49 = 40,213.80 : x
  2. Step 2: Convert to fraction form
    70,450.29/97,196.49 = 40,213.80/x
  3. Step 3: Cross multiply
    70,450.29x = 97,196.49 × 40,213.80
  4. Step 4: Simplify right side
    70,450.29x = 3,908,640,209.56
  5. Step 5: Solve for x
    x = 3,908,640,209.56/70,450.29
  6. Step 6: Final answer
    x = 55,480.82

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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.