Home / 124,123.80-171,292.30-67,535.64

Finding the Fourth Proportional to 124,123.80, 171,292.30 and 67,535.64

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Solution

The fourth proportional to 124,123.80, 171,292.30 and 67,535.64 is: 93,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,123.80 : 171,292.30 = 67,535.64 : x
  2. Step 2: Convert to fraction form
    124,123.80/171,292.30 = 67,535.64/x
  3. Step 3: Cross multiply
    124,123.80x = 171,292.30 × 67,535.64
  4. Step 4: Simplify right side
    124,123.80x = 11,568,335,107.57
  5. Step 5: Solve for x
    x = 11,568,335,107.57/124,123.80
  6. Step 6: Final answer
    x = 93,199.98

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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.