Home / 104,555.53-144,287.28-56,808.85

Finding the Fourth Proportional to 104,555.53, 144,287.28 and 56,808.85

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Solution

The fourth proportional to 104,555.53, 144,287.28 and 56,808.85 is: 78,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555.53 : 144,287.28 = 56,808.85 : x
  2. Step 2: Convert to fraction form
    104,555.53/144,287.28 = 56,808.85/x
  3. Step 3: Cross multiply
    104,555.53x = 144,287.28 × 56,808.85
  4. Step 4: Simplify right side
    104,555.53x = 8,196,794,446.43
  5. Step 5: Solve for x
    x = 8,196,794,446.43/104,555.53
  6. Step 6: Final answer
    x = 78,396.57

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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.