Home / 104,467.71-144,161.49-56,720.04

Finding the Fourth Proportional to 104,467.71, 144,161.49 and 56,720.04

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Solution

The fourth proportional to 104,467.71, 144,161.49 and 56,720.04 is: 78,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,467.71 : 144,161.49 = 56,720.04 : x
  2. Step 2: Convert to fraction form
    104,467.71/144,161.49 = 56,720.04/x
  3. Step 3: Cross multiply
    104,467.71x = 144,161.49 × 56,720.04
  4. Step 4: Simplify right side
    104,467.71x = 8,176,845,479.26
  5. Step 5: Solve for x
    x = 8,176,845,479.26/104,467.71
  6. Step 6: Final answer
    x = 78,271.51

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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.