Home / 81,918.06-122,876.28-37,532.22

Finding the Fourth Proportional to 81,918.06, 122,876.28 and 37,532.22

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Solution

The fourth proportional to 81,918.06, 122,876.28 and 37,532.22 is: 56,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,918.06 : 122,876.28 = 37,532.22 : x
  2. Step 2: Convert to fraction form
    81,918.06/122,876.28 = 37,532.22/x
  3. Step 3: Cross multiply
    81,918.06x = 122,876.28 × 37,532.22
  4. Step 4: Simplify right side
    81,918.06x = 4,611,819,573.74
  5. Step 5: Solve for x
    x = 4,611,819,573.74/81,918.06
  6. Step 6: Final answer
    x = 56,297.96

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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.