Home / 124,123.72-171,289.92-67,535.32

Finding the Fourth Proportional to 124,123.72, 171,289.92 and 67,535.32

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Solution

The fourth proportional to 124,123.72, 171,289.92 and 67,535.32 is: 93,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,123.72 : 171,289.92 = 67,535.32 : x
  2. Step 2: Convert to fraction form
    124,123.72/171,289.92 = 67,535.32/x
  3. Step 3: Cross multiply
    124,123.72x = 171,289.92 × 67,535.32
  4. Step 4: Simplify right side
    124,123.72x = 11,568,119,559.97
  5. Step 5: Solve for x
    x = 11,568,119,559.97/124,123.72
  6. Step 6: Final answer
    x = 93,198.30

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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.