Home / 55,277.40-82,899.90-25,688.10

Finding the Fourth Proportional to 55,277.40, 82,899.90 and 25,688.10

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Solution

The fourth proportional to 55,277.40, 82,899.90 and 25,688.10 is: 38,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.40 : 82,899.90 = 25,688.10 : x
  2. Step 2: Convert to fraction form
    55,277.40/82,899.90 = 25,688.10/x
  3. Step 3: Cross multiply
    55,277.40x = 82,899.90 × 25,688.10
  4. Step 4: Simplify right side
    55,277.40x = 2,129,540,921.19
  5. Step 5: Solve for x
    x = 2,129,540,921.19/55,277.40
  6. Step 6: Final answer
    x = 38,524.62

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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.