Home / 86,665.28-129,997.32-24,335.84

Finding the Fourth Proportional to 86,665.28, 129,997.32 and 24,335.84

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Solution

The fourth proportional to 86,665.28, 129,997.32 and 24,335.84 is: 36,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,665.28 : 129,997.32 = 24,335.84 : x
  2. Step 2: Convert to fraction form
    86,665.28/129,997.32 = 24,335.84/x
  3. Step 3: Cross multiply
    86,665.28x = 129,997.32 × 24,335.84
  4. Step 4: Simplify right side
    86,665.28x = 3,163,593,979.95
  5. Step 5: Solve for x
    x = 3,163,593,979.95/86,665.28
  6. Step 6: Final answer
    x = 36,503.59

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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.