Home / 61,028.20-84,216.42-34,170.28

Finding the Fourth Proportional to 61,028.20, 84,216.42 and 34,170.28

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Solution

The fourth proportional to 61,028.20, 84,216.42 and 34,170.28 is: 47,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,028.20 : 84,216.42 = 34,170.28 : x
  2. Step 2: Convert to fraction form
    61,028.20/84,216.42 = 34,170.28/x
  3. Step 3: Cross multiply
    61,028.20x = 84,216.42 × 34,170.28
  4. Step 4: Simplify right side
    61,028.20x = 2,877,698,652.00
  5. Step 5: Solve for x
    x = 2,877,698,652.00/61,028.20
  6. Step 6: Final answer
    x = 47,153.59

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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.