Home / 56,323.08-77,311.76-49,806.90

Finding the Fourth Proportional to 56,323.08, 77,311.76 and 49,806.90

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Solution

The fourth proportional to 56,323.08, 77,311.76 and 49,806.90 is: 68,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,323.08 : 77,311.76 = 49,806.90 : x
  2. Step 2: Convert to fraction form
    56,323.08/77,311.76 = 49,806.90/x
  3. Step 3: Cross multiply
    56,323.08x = 77,311.76 × 49,806.90
  4. Step 4: Simplify right side
    56,323.08x = 3,850,658,850.11
  5. Step 5: Solve for x
    x = 3,850,658,850.11/56,323.08
  6. Step 6: Final answer
    x = 68,367.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.