Home / 86,125.04-118,852.42-47,883.36

Finding the Fourth Proportional to 86,125.04, 118,852.42 and 47,883.36

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Solution

The fourth proportional to 86,125.04, 118,852.42 and 47,883.36 is: 66,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,125.04 : 118,852.42 = 47,883.36 : x
  2. Step 2: Convert to fraction form
    86,125.04/118,852.42 = 47,883.36/x
  3. Step 3: Cross multiply
    86,125.04x = 118,852.42 × 47,883.36
  4. Step 4: Simplify right side
    86,125.04x = 5,691,053,213.73
  5. Step 5: Solve for x
    x = 5,691,053,213.73/86,125.04
  6. Step 6: Final answer
    x = 66,078.96

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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.