Home / 43,161.27-64,715.95-16,878.39

Finding the Fourth Proportional to 43,161.27, 64,715.95 and 16,878.39

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Solution

The fourth proportional to 43,161.27, 64,715.95 and 16,878.39 is: 25,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.27 : 64,715.95 = 16,878.39 : x
  2. Step 2: Convert to fraction form
    43,161.27/64,715.95 = 16,878.39/x
  3. Step 3: Cross multiply
    43,161.27x = 64,715.95 × 16,878.39
  4. Step 4: Simplify right side
    43,161.27x = 1,092,301,043.32
  5. Step 5: Solve for x
    x = 1,092,301,043.32/43,161.27
  6. Step 6: Final answer
    x = 25,307.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.