Home / 86,116.02-129,233.61-33,525.78

Finding the Fourth Proportional to 86,116.02, 129,233.61 and 33,525.78

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Solution

The fourth proportional to 86,116.02, 129,233.61 and 33,525.78 is: 50,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,116.02 : 129,233.61 = 33,525.78 : x
  2. Step 2: Convert to fraction form
    86,116.02/129,233.61 = 33,525.78/x
  3. Step 3: Cross multiply
    86,116.02x = 129,233.61 × 33,525.78
  4. Step 4: Simplify right side
    86,116.02x = 4,332,657,577.47
  5. Step 5: Solve for x
    x = 4,332,657,577.47/86,116.02
  6. Step 6: Final answer
    x = 50,311.87

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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.