Home / 104,022.09-143,550.15-56,275.46

Finding the Fourth Proportional to 104,022.09, 143,550.15 and 56,275.46

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Solution

The fourth proportional to 104,022.09, 143,550.15 and 56,275.46 is: 77,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,022.09 : 143,550.15 = 56,275.46 : x
  2. Step 2: Convert to fraction form
    104,022.09/143,550.15 = 56,275.46/x
  3. Step 3: Cross multiply
    104,022.09x = 143,550.15 × 56,275.46
  4. Step 4: Simplify right side
    104,022.09x = 8,078,350,006.57
  5. Step 5: Solve for x
    x = 8,078,350,006.57/104,022.09
  6. Step 6: Final answer
    x = 77,659.95

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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.