Home / 86,042.75-118,739.00-48,317

Finding the Fourth Proportional to 86,042.75, 118,739.00 and 48,317

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Solution

The fourth proportional to 86,042.75, 118,739.00 and 48,317 is: 66,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,042.75 : 118,739.00 = 48,317 : x
  2. Step 2: Convert to fraction form
    86,042.75/118,739.00 = 48,317/x
  3. Step 3: Cross multiply
    86,042.75x = 118,739.00 × 48,317
  4. Step 4: Simplify right side
    86,042.75x = 5,737,112,021.42
  5. Step 5: Solve for x
    x = 5,737,112,021.42/86,042.75
  6. Step 6: Final answer
    x = 66,677.46

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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.