Home / 104,818.20-144,645.84-57,071.24

Finding the Fourth Proportional to 104,818.20, 144,645.84 and 57,071.24

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Solution

The fourth proportional to 104,818.20, 144,645.84 and 57,071.24 is: 78,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,818.20 : 144,645.84 = 57,071.24 : x
  2. Step 2: Convert to fraction form
    104,818.20/144,645.84 = 57,071.24/x
  3. Step 3: Cross multiply
    104,818.20x = 144,645.84 × 57,071.24
  4. Step 4: Simplify right side
    104,818.20x = 8,255,117,449.64
  5. Step 5: Solve for x
    x = 8,255,117,449.64/104,818.20
  6. Step 6: Final answer
    x = 78,756.53

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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.