Home / 124,110.40-171,267.44-67,520.56

Finding the Fourth Proportional to 124,110.40, 171,267.44 and 67,520.56

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Solution

The fourth proportional to 124,110.40, 171,267.44 and 67,520.56 is: 93,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,110.40 : 171,267.44 = 67,520.56 : x
  2. Step 2: Convert to fraction form
    124,110.40/171,267.44 = 67,520.56/x
  3. Step 3: Cross multiply
    124,110.40x = 171,267.44 × 67,520.56
  4. Step 4: Simplify right side
    124,110.40x = 11,564,073,458.57
  5. Step 5: Solve for x
    x = 11,564,073,458.57/124,110.40
  6. Step 6: Final answer
    x = 93,175.70

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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.