Home / 55,216.84-76,202.22-31,346.68

Finding the Fourth Proportional to 55,216.84, 76,202.22 and 31,346.68

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Solution

The fourth proportional to 55,216.84, 76,202.22 and 31,346.68 is: 43,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.84 : 76,202.22 = 31,346.68 : x
  2. Step 2: Convert to fraction form
    55,216.84/76,202.22 = 31,346.68/x
  3. Step 3: Cross multiply
    55,216.84x = 76,202.22 × 31,346.68
  4. Step 4: Simplify right side
    55,216.84x = 2,388,686,605.63
  5. Step 5: Solve for x
    x = 2,388,686,605.63/55,216.84
  6. Step 6: Final answer
    x = 43,260.11

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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.