Home / 58,144.53-87,217.13-20,706.06

Finding the Fourth Proportional to 58,144.53, 87,217.13 and 20,706.06

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Solution

The fourth proportional to 58,144.53, 87,217.13 and 20,706.06 is: 31,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,144.53 : 87,217.13 = 20,706.06 : x
  2. Step 2: Convert to fraction form
    58,144.53/87,217.13 = 20,706.06/x
  3. Step 3: Cross multiply
    58,144.53x = 87,217.13 × 20,706.06
  4. Step 4: Simplify right side
    58,144.53x = 1,805,923,023.28
  5. Step 5: Solve for x
    x = 1,805,923,023.28/58,144.53
  6. Step 6: Final answer
    x = 31,059.21

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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.