Home / 55,306.94-82,988.09-25,321.12

Finding the Fourth Proportional to 55,306.94, 82,988.09 and 25,321.12

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Solution

The fourth proportional to 55,306.94, 82,988.09 and 25,321.12 is: 37,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.94 : 82,988.09 = 25,321.12 : x
  2. Step 2: Convert to fraction form
    55,306.94/82,988.09 = 25,321.12/x
  3. Step 3: Cross multiply
    55,306.94x = 82,988.09 × 25,321.12
  4. Step 4: Simplify right side
    55,306.94x = 2,101,351,385.46
  5. Step 5: Solve for x
    x = 2,101,351,385.46/55,306.94
  6. Step 6: Final answer
    x = 37,994.35

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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.