Home / 70,672.26-97,521.98-40,450.70

Finding the Fourth Proportional to 70,672.26, 97,521.98 and 40,450.70

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Solution

The fourth proportional to 70,672.26, 97,521.98 and 40,450.70 is: 55,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,672.26 : 97,521.98 = 40,450.70 : x
  2. Step 2: Convert to fraction form
    70,672.26/97,521.98 = 40,450.70/x
  3. Step 3: Cross multiply
    70,672.26x = 97,521.98 × 40,450.70
  4. Step 4: Simplify right side
    70,672.26x = 3,944,832,356.39
  5. Step 5: Solve for x
    x = 3,944,832,356.39/70,672.26
  6. Step 6: Final answer
    x = 55,818.68

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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.