Home / 89,822.24-134,645.28-76,525.28

Finding the Fourth Proportional to 89,822.24, 134,645.28 and 76,525.28

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Solution

The fourth proportional to 89,822.24, 134,645.28 and 76,525.28 is: 114,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,822.24 : 134,645.28 = 76,525.28 : x
  2. Step 2: Convert to fraction form
    89,822.24/134,645.28 = 76,525.28/x
  3. Step 3: Cross multiply
    89,822.24x = 134,645.28 × 76,525.28
  4. Step 4: Simplify right side
    89,822.24x = 10,303,767,752.68
  5. Step 5: Solve for x
    x = 10,303,767,752.68/89,822.24
  6. Step 6: Final answer
    x = 114,712.88

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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.