Home / 86,647.76-119,576.20-48,922.32

Finding the Fourth Proportional to 86,647.76, 119,576.20 and 48,922.32

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Solution

The fourth proportional to 86,647.76, 119,576.20 and 48,922.32 is: 67,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,647.76 : 119,576.20 = 48,922.32 : x
  2. Step 2: Convert to fraction form
    86,647.76/119,576.20 = 48,922.32/x
  3. Step 3: Cross multiply
    86,647.76x = 119,576.20 × 48,922.32
  4. Step 4: Simplify right side
    86,647.76x = 5,849,945,120.78
  5. Step 5: Solve for x
    x = 5,849,945,120.78/86,647.76
  6. Step 6: Final answer
    x = 67,514.10

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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.