Home / 86,016.58-118,698.84-47,778.59

Finding the Fourth Proportional to 86,016.58, 118,698.84 and 47,778.59

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Solution

The fourth proportional to 86,016.58, 118,698.84 and 47,778.59 is: 65,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016.58 : 118,698.84 = 47,778.59 : x
  2. Step 2: Convert to fraction form
    86,016.58/118,698.84 = 47,778.59/x
  3. Step 3: Cross multiply
    86,016.58x = 118,698.84 × 47,778.59
  4. Step 4: Simplify right side
    86,016.58x = 5,671,263,506.58
  5. Step 5: Solve for x
    x = 5,671,263,506.58/86,016.58
  6. Step 6: Final answer
    x = 65,932.22

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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.