Home / 89,084.06-133,645.24-25,905.28

Finding the Fourth Proportional to 89,084.06, 133,645.24 and 25,905.28

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Solution

The fourth proportional to 89,084.06, 133,645.24 and 25,905.28 is: 38,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,084.06 : 133,645.24 = 25,905.28 : x
  2. Step 2: Convert to fraction form
    89,084.06/133,645.24 = 25,905.28/x
  3. Step 3: Cross multiply
    89,084.06x = 133,645.24 × 25,905.28
  4. Step 4: Simplify right side
    89,084.06x = 3,462,117,362.87
  5. Step 5: Solve for x
    x = 3,462,117,362.87/89,084.06
  6. Step 6: Final answer
    x = 38,863.49

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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.