Home / 62,879.12-86,771.76-34,584.20

Finding the Fourth Proportional to 62,879.12, 86,771.76 and 34,584.20

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Solution

The fourth proportional to 62,879.12, 86,771.76 and 34,584.20 is: 47,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,879.12 : 86,771.76 = 34,584.20 : x
  2. Step 2: Convert to fraction form
    62,879.12/86,771.76 = 34,584.20/x
  3. Step 3: Cross multiply
    62,879.12x = 86,771.76 × 34,584.20
  4. Step 4: Simplify right side
    62,879.12x = 3,000,931,902.19
  5. Step 5: Solve for x
    x = 3,000,931,902.19/62,879.12
  6. Step 6: Final answer
    x = 47,725.41

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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.