Home / 75,826.39-113,647.34-53,646.16

Finding the Fourth Proportional to 75,826.39, 113,647.34 and 53,646.16

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Solution

The fourth proportional to 75,826.39, 113,647.34 and 53,646.16 is: 80,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,826.39 : 113,647.34 = 53,646.16 : x
  2. Step 2: Convert to fraction form
    75,826.39/113,647.34 = 53,646.16/x
  3. Step 3: Cross multiply
    75,826.39x = 113,647.34 × 53,646.16
  4. Step 4: Simplify right side
    75,826.39x = 6,096,742,548.75
  5. Step 5: Solve for x
    x = 6,096,742,548.75/75,826.39
  6. Step 6: Final answer
    x = 80,403.97

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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.