Home / 56,165.76-84,177.88-49,129.04

Finding the Fourth Proportional to 56,165.76, 84,177.88 and 49,129.04

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Solution

The fourth proportional to 56,165.76, 84,177.88 and 49,129.04 is: 73,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.76 : 84,177.88 = 49,129.04 : x
  2. Step 2: Convert to fraction form
    56,165.76/84,177.88 = 49,129.04/x
  3. Step 3: Cross multiply
    56,165.76x = 84,177.88 × 49,129.04
  4. Step 4: Simplify right side
    56,165.76x = 4,135,578,433.64
  5. Step 5: Solve for x
    x = 4,135,578,433.64/56,165.76
  6. Step 6: Final answer
    x = 73,631.67

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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.