Home / 115,815.54-173,667.80-56,581.86

Finding the Fourth Proportional to 115,815.54, 173,667.80 and 56,581.86

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Solution

The fourth proportional to 115,815.54, 173,667.80 and 56,581.86 is: 84,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,815.54 : 173,667.80 = 56,581.86 : x
  2. Step 2: Convert to fraction form
    115,815.54/173,667.80 = 56,581.86/x
  3. Step 3: Cross multiply
    115,815.54x = 173,667.80 × 56,581.86
  4. Step 4: Simplify right side
    115,815.54x = 9,826,447,146.11
  5. Step 5: Solve for x
    x = 9,826,447,146.11/115,815.54
  6. Step 6: Final answer
    x = 84,845.67

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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.