Home / 104,265.50-143,885.58-56,517.62

Finding the Fourth Proportional to 104,265.50, 143,885.58 and 56,517.62

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Solution

The fourth proportional to 104,265.50, 143,885.58 and 56,517.62 is: 77,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.50 : 143,885.58 = 56,517.62 : x
  2. Step 2: Convert to fraction form
    104,265.50/143,885.58 = 56,517.62/x
  3. Step 3: Cross multiply
    104,265.50x = 143,885.58 × 56,517.62
  4. Step 4: Simplify right side
    104,265.50x = 8,132,070,533.92
  5. Step 5: Solve for x
    x = 8,132,070,533.92/104,265.50
  6. Step 6: Final answer
    x = 77,993.88

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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.