Home / 86,196.84-118,953.09-47,959.44

Finding the Fourth Proportional to 86,196.84, 118,953.09 and 47,959.44

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Solution

The fourth proportional to 86,196.84, 118,953.09 and 47,959.44 is: 66,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196.84 : 118,953.09 = 47,959.44 : x
  2. Step 2: Convert to fraction form
    86,196.84/118,953.09 = 47,959.44/x
  3. Step 3: Cross multiply
    86,196.84x = 118,953.09 × 47,959.44
  4. Step 4: Simplify right side
    86,196.84x = 5,704,923,582.67
  5. Step 5: Solve for x
    x = 5,704,923,582.67/86,196.84
  6. Step 6: Final answer
    x = 66,184.83

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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.