Home / 107,042.64-147,797.64-99,081.36

Finding the Fourth Proportional to 107,042.64, 147,797.64 and 99,081.36

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Solution

The fourth proportional to 107,042.64, 147,797.64 and 99,081.36 is: 136,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,042.64 : 147,797.64 = 99,081.36 : x
  2. Step 2: Convert to fraction form
    107,042.64/147,797.64 = 99,081.36/x
  3. Step 3: Cross multiply
    107,042.64x = 147,797.64 × 99,081.36
  4. Step 4: Simplify right side
    107,042.64x = 14,643,991,175.99
  5. Step 5: Solve for x
    x = 14,643,991,175.99/107,042.64
  6. Step 6: Final answer
    x = 136,805.21

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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.