Home / 80,196.28-120,054.75-48,510.45

Finding the Fourth Proportional to 80,196.28, 120,054.75 and 48,510.45

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Solution

The fourth proportional to 80,196.28, 120,054.75 and 48,510.45 is: 72,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,196.28 : 120,054.75 = 48,510.45 : x
  2. Step 2: Convert to fraction form
    80,196.28/120,054.75 = 48,510.45/x
  3. Step 3: Cross multiply
    80,196.28x = 120,054.75 × 48,510.45
  4. Step 4: Simplify right side
    80,196.28x = 5,823,909,947.14
  5. Step 5: Solve for x
    x = 5,823,909,947.14/80,196.28
  6. Step 6: Final answer
    x = 72,620.70

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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.