Home / 75,848.20-113,715.19-45,856.23

Finding the Fourth Proportional to 75,848.20, 113,715.19 and 45,856.23

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Solution

The fourth proportional to 75,848.20, 113,715.19 and 45,856.23 is: 68,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,848.20 : 113,715.19 = 45,856.23 : x
  2. Step 2: Convert to fraction form
    75,848.20/113,715.19 = 45,856.23/x
  3. Step 3: Cross multiply
    75,848.20x = 113,715.19 × 45,856.23
  4. Step 4: Simplify right side
    75,848.20x = 5,214,549,538.02
  5. Step 5: Solve for x
    x = 5,214,549,538.02/75,848.20
  6. Step 6: Final answer
    x = 68,749.81

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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.