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Finding the Fourth Proportional to 70,450.69, 97,228.67 and 40,240.52

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Solution

The fourth proportional to 70,450.69, 97,228.67 and 40,240.52 is: 55,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.69 : 97,228.67 = 40,240.52 : x
  2. Step 2: Convert to fraction form
    70,450.69/97,228.67 = 40,240.52/x
  3. Step 3: Cross multiply
    70,450.69x = 97,228.67 × 40,240.52
  4. Step 4: Simplify right side
    70,450.69x = 3,912,532,583.38
  5. Step 5: Solve for x
    x = 3,912,532,583.38/70,450.69
  6. Step 6: Final answer
    x = 55,535.76

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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.