Home / 104,813.17-144,638.29-57,065.56

Finding the Fourth Proportional to 104,813.17, 144,638.29 and 57,065.56

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Solution

The fourth proportional to 104,813.17, 144,638.29 and 57,065.56 is: 78,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813.17 : 144,638.29 = 57,065.56 : x
  2. Step 2: Convert to fraction form
    104,813.17/144,638.29 = 57,065.56/x
  3. Step 3: Cross multiply
    104,813.17x = 144,638.29 × 57,065.56
  4. Step 4: Simplify right side
    104,813.17x = 8,253,864,726.03
  5. Step 5: Solve for x
    x = 8,253,864,726.03/104,813.17
  6. Step 6: Final answer
    x = 78,748.36

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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.