Home / 86,156.64-118,888.20-49,852.44

Finding the Fourth Proportional to 86,156.64, 118,888.20 and 49,852.44

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Solution

The fourth proportional to 86,156.64, 118,888.20 and 49,852.44 is: 68,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,156.64 : 118,888.20 = 49,852.44 : x
  2. Step 2: Convert to fraction form
    86,156.64/118,888.20 = 49,852.44/x
  3. Step 3: Cross multiply
    86,156.64x = 118,888.20 × 49,852.44
  4. Step 4: Simplify right side
    86,156.64x = 5,926,866,857.21
  5. Step 5: Solve for x
    x = 5,926,866,857.21/86,156.64
  6. Step 6: Final answer
    x = 68,791.76

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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.