Home / 86,739.46-119,686.85-50,448.94

Finding the Fourth Proportional to 86,739.46, 119,686.85 and 50,448.94

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Solution

The fourth proportional to 86,739.46, 119,686.85 and 50,448.94 is: 69,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,739.46 : 119,686.85 = 50,448.94 : x
  2. Step 2: Convert to fraction form
    86,739.46/119,686.85 = 50,448.94/x
  3. Step 3: Cross multiply
    86,739.46x = 119,686.85 × 50,448.94
  4. Step 4: Simplify right side
    86,739.46x = 6,038,074,714.44
  5. Step 5: Solve for x
    x = 6,038,074,714.44/86,739.46
  6. Step 6: Final answer
    x = 69,611.62

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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.