Home / 86,846.75-119,848.52-49,120.19

Finding the Fourth Proportional to 86,846.75, 119,848.52 and 49,120.19

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Solution

The fourth proportional to 86,846.75, 119,848.52 and 49,120.19 is: 67,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,846.75 : 119,848.52 = 49,120.19 : x
  2. Step 2: Convert to fraction form
    86,846.75/119,848.52 = 49,120.19/x
  3. Step 3: Cross multiply
    86,846.75x = 119,848.52 × 49,120.19
  4. Step 4: Simplify right side
    86,846.75x = 5,886,981,828.02
  5. Step 5: Solve for x
    x = 5,886,981,828.02/86,846.75
  6. Step 6: Final answer
    x = 67,785.86

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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.