Home / 55,391.42-76,438.22-34,170.14

Finding the Fourth Proportional to 55,391.42, 76,438.22 and 34,170.14

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Solution

The fourth proportional to 55,391.42, 76,438.22 and 34,170.14 is: 47,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,391.42 : 76,438.22 = 34,170.14 : x
  2. Step 2: Convert to fraction form
    55,391.42/76,438.22 = 34,170.14/x
  3. Step 3: Cross multiply
    55,391.42x = 76,438.22 × 34,170.14
  4. Step 4: Simplify right side
    55,391.42x = 2,611,904,678.75
  5. Step 5: Solve for x
    x = 2,611,904,678.75/55,391.42
  6. Step 6: Final answer
    x = 47,153.60

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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.