Home / 52,054.44-78,113.78-20,458.95

Finding the Fourth Proportional to 52,054.44, 78,113.78 and 20,458.95

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Solution

The fourth proportional to 52,054.44, 78,113.78 and 20,458.95 is: 30,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,054.44 : 78,113.78 = 20,458.95 : x
  2. Step 2: Convert to fraction form
    52,054.44/78,113.78 = 20,458.95/x
  3. Step 3: Cross multiply
    52,054.44x = 78,113.78 × 20,458.95
  4. Step 4: Simplify right side
    52,054.44x = 1,598,126,155.30
  5. Step 5: Solve for x
    x = 1,598,126,155.30/52,054.44
  6. Step 6: Final answer
    x = 30,701.05

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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.