Home / 58,223.88-87,352.83-18,780.12

Finding the Fourth Proportional to 58,223.88, 87,352.83 and 18,780.12

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Solution

The fourth proportional to 58,223.88, 87,352.83 and 18,780.12 is: 28,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,223.88 : 87,352.83 = 18,780.12 : x
  2. Step 2: Convert to fraction form
    58,223.88/87,352.83 = 18,780.12/x
  3. Step 3: Cross multiply
    58,223.88x = 87,352.83 × 18,780.12
  4. Step 4: Simplify right side
    58,223.88x = 1,640,496,629.74
  5. Step 5: Solve for x
    x = 1,640,496,629.74/58,223.88
  6. Step 6: Final answer
    x = 28,175.67

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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.