Home / 89,164.41-133,769.79-25,983.06

Finding the Fourth Proportional to 89,164.41, 133,769.79 and 25,983.06

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Solution

The fourth proportional to 89,164.41, 133,769.79 and 25,983.06 is: 38,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,164.41 : 133,769.79 = 25,983.06 : x
  2. Step 2: Convert to fraction form
    89,164.41/133,769.79 = 25,983.06/x
  3. Step 3: Cross multiply
    89,164.41x = 133,769.79 × 25,983.06
  4. Step 4: Simplify right side
    89,164.41x = 3,475,748,479.76
  5. Step 5: Solve for x
    x = 3,475,748,479.76/89,164.41
  6. Step 6: Final answer
    x = 38,981.34

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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.