Home / 104,275.77-143,900.17-58,335.51

Finding the Fourth Proportional to 104,275.77, 143,900.17 and 58,335.51

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Solution

The fourth proportional to 104,275.77, 143,900.17 and 58,335.51 is: 80,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,275.77 : 143,900.17 = 58,335.51 : x
  2. Step 2: Convert to fraction form
    104,275.77/143,900.17 = 58,335.51/x
  3. Step 3: Cross multiply
    104,275.77x = 143,900.17 × 58,335.51
  4. Step 4: Simplify right side
    104,275.77x = 8,394,489,806.04
  5. Step 5: Solve for x
    x = 8,394,489,806.04/104,275.77
  6. Step 6: Final answer
    x = 80,502.78

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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.