Home / 99,175.05-136,827.30-63,386.01

Finding the Fourth Proportional to 99,175.05, 136,827.30 and 63,386.01

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Solution

The fourth proportional to 99,175.05, 136,827.30 and 63,386.01 is: 87,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,175.05 : 136,827.30 = 63,386.01 : x
  2. Step 2: Convert to fraction form
    99,175.05/136,827.30 = 63,386.01/x
  3. Step 3: Cross multiply
    99,175.05x = 136,827.30 × 63,386.01
  4. Step 4: Simplify right side
    99,175.05x = 8,672,936,606.07
  5. Step 5: Solve for x
    x = 8,672,936,606.07/99,175.05
  6. Step 6: Final answer
    x = 87,450.79

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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.