Home / 86,196.13-118,950.29-47,959.34

Finding the Fourth Proportional to 86,196.13, 118,950.29 and 47,959.34

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Solution

The fourth proportional to 86,196.13, 118,950.29 and 47,959.34 is: 66,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196.13 : 118,950.29 = 47,959.34 : x
  2. Step 2: Convert to fraction form
    86,196.13/118,950.29 = 47,959.34/x
  3. Step 3: Cross multiply
    86,196.13x = 118,950.29 × 47,959.34
  4. Step 4: Simplify right side
    86,196.13x = 5,704,776,926.36
  5. Step 5: Solve for x
    x = 5,704,776,926.36/86,196.13
  6. Step 6: Final answer
    x = 66,183.68

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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.