Home / 104,813.74-144,645.57-57,069.71

Finding the Fourth Proportional to 104,813.74, 144,645.57 and 57,069.71

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Solution

The fourth proportional to 104,813.74, 144,645.57 and 57,069.71 is: 78,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813.74 : 144,645.57 = 57,069.71 : x
  2. Step 2: Convert to fraction form
    104,813.74/144,645.57 = 57,069.71/x
  3. Step 3: Cross multiply
    104,813.74x = 144,645.57 × 57,069.71
  4. Step 4: Simplify right side
    104,813.74x = 8,254,880,732.68
  5. Step 5: Solve for x
    x = 8,254,880,732.68/104,813.74
  6. Step 6: Final answer
    x = 78,757.62

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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.