Home / 55,640.70-83,461.05-49,074.30

Finding the Fourth Proportional to 55,640.70, 83,461.05 and 49,074.30

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Solution

The fourth proportional to 55,640.70, 83,461.05 and 49,074.30 is: 73,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.70 : 83,461.05 = 49,074.30 : x
  2. Step 2: Convert to fraction form
    55,640.70/83,461.05 = 49,074.30/x
  3. Step 3: Cross multiply
    55,640.70x = 83,461.05 × 49,074.30
  4. Step 4: Simplify right side
    55,640.70x = 4,095,792,606.02
  5. Step 5: Solve for x
    x = 4,095,792,606.02/55,640.70
  6. Step 6: Final answer
    x = 73,611.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.