Home / 55,072.71-76,000.32-29,922.21

Finding the Fourth Proportional to 55,072.71, 76,000.32 and 29,922.21

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Solution

The fourth proportional to 55,072.71, 76,000.32 and 29,922.21 is: 41,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,072.71 : 76,000.32 = 29,922.21 : x
  2. Step 2: Convert to fraction form
    55,072.71/76,000.32 = 29,922.21/x
  3. Step 3: Cross multiply
    55,072.71x = 76,000.32 × 29,922.21
  4. Step 4: Simplify right side
    55,072.71x = 2,274,097,535.11
  5. Step 5: Solve for x
    x = 2,274,097,535.11/55,072.71
  6. Step 6: Final answer
    x = 41,292.64

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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.