Home / 92,303.06-138,405.24-47,819.48

Finding the Fourth Proportional to 92,303.06, 138,405.24 and 47,819.48

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Solution

The fourth proportional to 92,303.06, 138,405.24 and 47,819.48 is: 71,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,303.06 : 138,405.24 = 47,819.48 : x
  2. Step 2: Convert to fraction form
    92,303.06/138,405.24 = 47,819.48/x
  3. Step 3: Cross multiply
    92,303.06x = 138,405.24 × 47,819.48
  4. Step 4: Simplify right side
    92,303.06x = 6,618,465,914.05
  5. Step 5: Solve for x
    x = 6,618,465,914.05/92,303.06
  6. Step 6: Final answer
    x = 71,703.65

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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.