Home / 104,072.28-143,619.69-59,360.28

Finding the Fourth Proportional to 104,072.28, 143,619.69 and 59,360.28

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Solution

The fourth proportional to 104,072.28, 143,619.69 and 59,360.28 is: 81,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.28 : 143,619.69 = 59,360.28 : x
  2. Step 2: Convert to fraction form
    104,072.28/143,619.69 = 59,360.28/x
  3. Step 3: Cross multiply
    104,072.28x = 143,619.69 × 59,360.28
  4. Step 4: Simplify right side
    104,072.28x = 8,525,305,011.91
  5. Step 5: Solve for x
    x = 8,525,305,011.91/104,072.28
  6. Step 6: Final answer
    x = 81,917.15

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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.