Home / 84,273.78-116,269.92-55,607.67

Finding the Fourth Proportional to 84,273.78, 116,269.92 and 55,607.67

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Solution

The fourth proportional to 84,273.78, 116,269.92 and 55,607.67 is: 76,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.78 : 116,269.92 = 55,607.67 : x
  2. Step 2: Convert to fraction form
    84,273.78/116,269.92 = 55,607.67/x
  3. Step 3: Cross multiply
    84,273.78x = 116,269.92 × 55,607.67
  4. Step 4: Simplify right side
    84,273.78x = 6,465,499,342.29
  5. Step 5: Solve for x
    x = 6,465,499,342.29/84,273.78
  6. Step 6: Final answer
    x = 76,720.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.