Home / 89,130.18-133,723.86-25,954.10

Finding the Fourth Proportional to 89,130.18, 133,723.86 and 25,954.10

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Solution

The fourth proportional to 89,130.18, 133,723.86 and 25,954.10 is: 38,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.18 : 133,723.86 = 25,954.10 : x
  2. Step 2: Convert to fraction form
    89,130.18/133,723.86 = 25,954.10/x
  3. Step 3: Cross multiply
    89,130.18x = 133,723.86 × 25,954.10
  4. Step 4: Simplify right side
    89,130.18x = 3,470,682,170.34
  5. Step 5: Solve for x
    x = 3,470,682,170.34/89,130.18
  6. Step 6: Final answer
    x = 38,939.47

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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.