Home / 55,212.41-76,184.84-31,012.44

Finding the Fourth Proportional to 55,212.41, 76,184.84 and 31,012.44

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Solution

The fourth proportional to 55,212.41, 76,184.84 and 31,012.44 is: 42,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.41 : 76,184.84 = 31,012.44 : x
  2. Step 2: Convert to fraction form
    55,212.41/76,184.84 = 31,012.44/x
  3. Step 3: Cross multiply
    55,212.41x = 76,184.84 × 31,012.44
  4. Step 4: Simplify right side
    55,212.41x = 2,362,677,624.35
  5. Step 5: Solve for x
    x = 2,362,677,624.35/55,212.41
  6. Step 6: Final answer
    x = 42,792.51

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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.