Home / 86,089.53-118,813.19-52,116.75

Finding the Fourth Proportional to 86,089.53, 118,813.19 and 52,116.75

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Solution

The fourth proportional to 86,089.53, 118,813.19 and 52,116.75 is: 71,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,089.53 : 118,813.19 = 52,116.75 : x
  2. Step 2: Convert to fraction form
    86,089.53/118,813.19 = 52,116.75/x
  3. Step 3: Cross multiply
    86,089.53x = 118,813.19 × 52,116.75
  4. Step 4: Simplify right side
    86,089.53x = 6,192,157,059.35
  5. Step 5: Solve for x
    x = 6,192,157,059.35/86,089.53
  6. Step 6: Final answer
    x = 71,926.95

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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.