Home / 62,431.76-93,633.68-18,048.64

Finding the Fourth Proportional to 62,431.76, 93,633.68 and 18,048.64

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Solution

The fourth proportional to 62,431.76, 93,633.68 and 18,048.64 is: 27,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.76 : 93,633.68 = 18,048.64 : x
  2. Step 2: Convert to fraction form
    62,431.76/93,633.68 = 18,048.64/x
  3. Step 3: Cross multiply
    62,431.76x = 93,633.68 × 18,048.64
  4. Step 4: Simplify right side
    62,431.76x = 1,689,960,582.20
  5. Step 5: Solve for x
    x = 1,689,960,582.20/62,431.76
  6. Step 6: Final answer
    x = 27,068.92

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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.