Home / 64,045.47-96,082.49-19,676.71

Finding the Fourth Proportional to 64,045.47, 96,082.49 and 19,676.71

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Solution

The fourth proportional to 64,045.47, 96,082.49 and 19,676.71 is: 29,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045.47 : 96,082.49 = 19,676.71 : x
  2. Step 2: Convert to fraction form
    64,045.47/96,082.49 = 19,676.71/x
  3. Step 3: Cross multiply
    64,045.47x = 96,082.49 × 19,676.71
  4. Step 4: Simplify right side
    64,045.47x = 1,890,587,291.81
  5. Step 5: Solve for x
    x = 1,890,587,291.81/64,045.47
  6. Step 6: Final answer
    x = 29,519.45

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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.