Home / 86,335.56-129,451.38-33,769.80

Finding the Fourth Proportional to 86,335.56, 129,451.38 and 33,769.80

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Solution

The fourth proportional to 86,335.56, 129,451.38 and 33,769.80 is: 50,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,335.56 : 129,451.38 = 33,769.80 : x
  2. Step 2: Convert to fraction form
    86,335.56/129,451.38 = 33,769.80/x
  3. Step 3: Cross multiply
    86,335.56x = 129,451.38 × 33,769.80
  4. Step 4: Simplify right side
    86,335.56x = 4,371,547,212.32
  5. Step 5: Solve for x
    x = 4,371,547,212.32/86,335.56
  6. Step 6: Final answer
    x = 50,634.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.