Home / 55,214.84-76,199.46-31,344.68

Finding the Fourth Proportional to 55,214.84, 76,199.46 and 31,344.68

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Solution

The fourth proportional to 55,214.84, 76,199.46 and 31,344.68 is: 43,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,214.84 : 76,199.46 = 31,344.68 : x
  2. Step 2: Convert to fraction form
    55,214.84/76,199.46 = 31,344.68/x
  3. Step 3: Cross multiply
    55,214.84x = 76,199.46 × 31,344.68
  4. Step 4: Simplify right side
    55,214.84x = 2,388,447,689.87
  5. Step 5: Solve for x
    x = 2,388,447,689.87/55,214.84
  6. Step 6: Final answer
    x = 43,257.35

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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.