Home / 85,190.26-127,776.49-37,806.16

Finding the Fourth Proportional to 85,190.26, 127,776.49 and 37,806.16

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Solution

The fourth proportional to 85,190.26, 127,776.49 and 37,806.16 is: 56,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,190.26 : 127,776.49 = 37,806.16 : x
  2. Step 2: Convert to fraction form
    85,190.26/127,776.49 = 37,806.16/x
  3. Step 3: Cross multiply
    85,190.26x = 127,776.49 × 37,806.16
  4. Step 4: Simplify right side
    85,190.26x = 4,830,738,425.18
  5. Step 5: Solve for x
    x = 4,830,738,425.18/85,190.26
  6. Step 6: Final answer
    x = 56,705.29

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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.