Home / 86,245.92-119,013.12-48,519.36

Finding the Fourth Proportional to 86,245.92, 119,013.12 and 48,519.36

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Solution

The fourth proportional to 86,245.92, 119,013.12 and 48,519.36 is: 66,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,245.92 : 119,013.12 = 48,519.36 : x
  2. Step 2: Convert to fraction form
    86,245.92/119,013.12 = 48,519.36/x
  3. Step 3: Cross multiply
    86,245.92x = 119,013.12 × 48,519.36
  4. Step 4: Simplify right side
    86,245.92x = 5,774,440,414.00
  5. Step 5: Solve for x
    x = 5,774,440,414.00/86,245.92
  6. Step 6: Final answer
    x = 66,953.20

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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.