Home / 78,926.14-108,919.67-43,118.46

Finding the Fourth Proportional to 78,926.14, 108,919.67 and 43,118.46

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Solution

The fourth proportional to 78,926.14, 108,919.67 and 43,118.46 is: 59,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926.14 : 108,919.67 = 43,118.46 : x
  2. Step 2: Convert to fraction form
    78,926.14/108,919.67 = 43,118.46/x
  3. Step 3: Cross multiply
    78,926.14x = 108,919.67 × 43,118.46
  4. Step 4: Simplify right side
    78,926.14x = 4,696,448,461.06
  5. Step 5: Solve for x
    x = 4,696,448,461.06/78,926.14
  6. Step 6: Final answer
    x = 59,504.35

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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.