Home / 104,513.31-144,229.68-56,767.46

Finding the Fourth Proportional to 104,513.31, 144,229.68 and 56,767.46

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Solution

The fourth proportional to 104,513.31, 144,229.68 and 56,767.46 is: 78,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,513.31 : 144,229.68 = 56,767.46 : x
  2. Step 2: Convert to fraction form
    104,513.31/144,229.68 = 56,767.46/x
  3. Step 3: Cross multiply
    104,513.31x = 144,229.68 × 56,767.46
  4. Step 4: Simplify right side
    104,513.31x = 8,187,551,869.06
  5. Step 5: Solve for x
    x = 8,187,551,869.06/104,513.31
  6. Step 6: Final answer
    x = 78,339.80

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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.