Home / 82,854.05-114,302.21-55,986.75

Finding the Fourth Proportional to 82,854.05, 114,302.21 and 55,986.75

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Solution

The fourth proportional to 82,854.05, 114,302.21 and 55,986.75 is: 77,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,854.05 : 114,302.21 = 55,986.75 : x
  2. Step 2: Convert to fraction form
    82,854.05/114,302.21 = 55,986.75/x
  3. Step 3: Cross multiply
    82,854.05x = 114,302.21 × 55,986.75
  4. Step 4: Simplify right side
    82,854.05x = 6,399,408,975.78
  5. Step 5: Solve for x
    x = 6,399,408,975.78/82,854.05
  6. Step 6: Final answer
    x = 77,237.13

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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.