Home / 86,065.35-118,759.82-47,824.71

Finding the Fourth Proportional to 86,065.35, 118,759.82 and 47,824.71

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Solution

The fourth proportional to 86,065.35, 118,759.82 and 47,824.71 is: 65,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,065.35 : 118,759.82 = 47,824.71 : x
  2. Step 2: Convert to fraction form
    86,065.35/118,759.82 = 47,824.71/x
  3. Step 3: Cross multiply
    86,065.35x = 118,759.82 × 47,824.71
  4. Step 4: Simplify right side
    86,065.35x = 5,679,653,712.03
  5. Step 5: Solve for x
    x = 5,679,653,712.03/86,065.35
  6. Step 6: Final answer
    x = 65,992.34

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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.