Home / 75,681.13-113,346.73-73,056.73

Finding the Fourth Proportional to 75,681.13, 113,346.73 and 73,056.73

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Solution

The fourth proportional to 75,681.13, 113,346.73 and 73,056.73 is: 109,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.13 : 113,346.73 = 73,056.73 : x
  2. Step 2: Convert to fraction form
    75,681.13/113,346.73 = 73,056.73/x
  3. Step 3: Cross multiply
    75,681.13x = 113,346.73 × 73,056.73
  4. Step 4: Simplify right side
    75,681.13x = 8,280,741,449.99
  5. Step 5: Solve for x
    x = 8,280,741,449.99/75,681.13
  6. Step 6: Final answer
    x = 109,416.20

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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.