Home / 86,228.69-118,893.82-59,017.90

Finding the Fourth Proportional to 86,228.69, 118,893.82 and 59,017.90

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Solution

The fourth proportional to 86,228.69, 118,893.82 and 59,017.90 is: 81,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,228.69 : 118,893.82 = 59,017.90 : x
  2. Step 2: Convert to fraction form
    86,228.69/118,893.82 = 59,017.90/x
  3. Step 3: Cross multiply
    86,228.69x = 118,893.82 × 59,017.90
  4. Step 4: Simplify right side
    86,228.69x = 7,016,863,579.38
  5. Step 5: Solve for x
    x = 7,016,863,579.38/86,228.69
  6. Step 6: Final answer
    x = 81,375.05

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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.