Home / 86,712.54-119,676-50,922.12

Finding the Fourth Proportional to 86,712.54, 119,676 and 50,922.12

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Solution

The fourth proportional to 86,712.54, 119,676 and 50,922.12 is: 70,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,712.54 : 119,676 = 50,922.12 : x
  2. Step 2: Convert to fraction form
    86,712.54/119,676 = 50,922.12/x
  3. Step 3: Cross multiply
    86,712.54x = 119,676 × 50,922.12
  4. Step 4: Simplify right side
    86,712.54x = 6,094,155,633.12
  5. Step 5: Solve for x
    x = 6,094,155,633.12/86,712.54
  6. Step 6: Final answer
    x = 70,279.98

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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.