Home / 61,722.36-85,176.98-33,428.06

Finding the Fourth Proportional to 61,722.36, 85,176.98 and 33,428.06

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Solution

The fourth proportional to 61,722.36, 85,176.98 and 33,428.06 is: 46,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,722.36 : 85,176.98 = 33,428.06 : x
  2. Step 2: Convert to fraction form
    61,722.36/85,176.98 = 33,428.06/x
  3. Step 3: Cross multiply
    61,722.36x = 85,176.98 × 33,428.06
  4. Step 4: Simplify right side
    61,722.36x = 2,847,300,605.03
  5. Step 5: Solve for x
    x = 2,847,300,605.03/61,722.36
  6. Step 6: Final answer
    x = 46,130.78

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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.