Home / 82,762.08-114,194.37-54,123.72

Finding the Fourth Proportional to 82,762.08, 114,194.37 and 54,123.72

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Solution

The fourth proportional to 82,762.08, 114,194.37 and 54,123.72 is: 74,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,762.08 : 114,194.37 = 54,123.72 : x
  2. Step 2: Convert to fraction form
    82,762.08/114,194.37 = 54,123.72/x
  3. Step 3: Cross multiply
    82,762.08x = 114,194.37 × 54,123.72
  4. Step 4: Simplify right side
    82,762.08x = 6,180,624,107.46
  5. Step 5: Solve for x
    x = 6,180,624,107.46/82,762.08
  6. Step 6: Final answer
    x = 74,679.42

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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.