Home / 104,811.24-144,639.29-57,064.17

Finding the Fourth Proportional to 104,811.24, 144,639.29 and 57,064.17

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Solution

The fourth proportional to 104,811.24, 144,639.29 and 57,064.17 is: 78,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811.24 : 144,639.29 = 57,064.17 : x
  2. Step 2: Convert to fraction form
    104,811.24/144,639.29 = 57,064.17/x
  3. Step 3: Cross multiply
    104,811.24x = 144,639.29 × 57,064.17
  4. Step 4: Simplify right side
    104,811.24x = 8,253,721,033.24
  5. Step 5: Solve for x
    x = 8,253,721,033.24/104,811.24
  6. Step 6: Final answer
    x = 78,748.43

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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.