Home / 69,657.45-96,125.51-39,450.20

Finding the Fourth Proportional to 69,657.45, 96,125.51 and 39,450.20

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Solution

The fourth proportional to 69,657.45, 96,125.51 and 39,450.20 is: 54,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,657.45 : 96,125.51 = 39,450.20 : x
  2. Step 2: Convert to fraction form
    69,657.45/96,125.51 = 39,450.20/x
  3. Step 3: Cross multiply
    69,657.45x = 96,125.51 × 39,450.20
  4. Step 4: Simplify right side
    69,657.45x = 3,792,169,916.72
  5. Step 5: Solve for x
    x = 3,792,169,916.72/69,657.45
  6. Step 6: Final answer
    x = 54,440.26

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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.