Home / 86,415.56-129,623.15-24,086.06

Finding the Fourth Proportional to 86,415.56, 129,623.15 and 24,086.06

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Solution

The fourth proportional to 86,415.56, 129,623.15 and 24,086.06 is: 36,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,415.56 : 129,623.15 = 24,086.06 : x
  2. Step 2: Convert to fraction form
    86,415.56/129,623.15 = 24,086.06/x
  3. Step 3: Cross multiply
    86,415.56x = 129,623.15 × 24,086.06
  4. Step 4: Simplify right side
    86,415.56x = 3,122,110,866.48
  5. Step 5: Solve for x
    x = 3,122,110,866.48/86,415.56
  6. Step 6: Final answer
    x = 36,129.04

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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.