Home / 86,556.24-119,448-50,746.80

Finding the Fourth Proportional to 86,556.24, 119,448 and 50,746.80

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Solution

The fourth proportional to 86,556.24, 119,448 and 50,746.80 is: 70,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,556.24 : 119,448 = 50,746.80 : x
  2. Step 2: Convert to fraction form
    86,556.24/119,448 = 50,746.80/x
  3. Step 3: Cross multiply
    86,556.24x = 119,448 × 50,746.80
  4. Step 4: Simplify right side
    86,556.24x = 6,061,603,766.40
  5. Step 5: Solve for x
    x = 6,061,603,766.40/86,556.24
  6. Step 6: Final answer
    x = 70,030.81

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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.