Home / 112,564.79-168,576.59-64,387.38

Finding the Fourth Proportional to 112,564.79, 168,576.59 and 64,387.38

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Solution

The fourth proportional to 112,564.79, 168,576.59 and 64,387.38 is: 96,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,564.79 : 168,576.59 = 64,387.38 : x
  2. Step 2: Convert to fraction form
    112,564.79/168,576.59 = 64,387.38/x
  3. Step 3: Cross multiply
    112,564.79x = 168,576.59 × 64,387.38
  4. Step 4: Simplify right side
    112,564.79x = 10,854,204,488.24
  5. Step 5: Solve for x
    x = 10,854,204,488.24/112,564.79
  6. Step 6: Final answer
    x = 96,426.29

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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.