Home / 99,232.83-136,939.65-53,911.51

Finding the Fourth Proportional to 99,232.83, 136,939.65 and 53,911.51

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Solution

The fourth proportional to 99,232.83, 136,939.65 and 53,911.51 is: 74,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,232.83 : 136,939.65 = 53,911.51 : x
  2. Step 2: Convert to fraction form
    99,232.83/136,939.65 = 53,911.51/x
  3. Step 3: Cross multiply
    99,232.83x = 136,939.65 × 53,911.51
  4. Step 4: Simplify right side
    99,232.83x = 7,382,622,765.85
  5. Step 5: Solve for x
    x = 7,382,622,765.85/99,232.83
  6. Step 6: Final answer
    x = 74,396.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.