Home / 42,167.16-63,262.32-12,585.96

Finding the Fourth Proportional to 42,167.16, 63,262.32 and 12,585.96

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Solution

The fourth proportional to 42,167.16, 63,262.32 and 12,585.96 is: 18,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,167.16 : 63,262.32 = 12,585.96 : x
  2. Step 2: Convert to fraction form
    42,167.16/63,262.32 = 12,585.96/x
  3. Step 3: Cross multiply
    42,167.16x = 63,262.32 × 12,585.96
  4. Step 4: Simplify right side
    42,167.16x = 796,217,029.03
  5. Step 5: Solve for x
    x = 796,217,029.03/42,167.16
  6. Step 6: Final answer
    x = 18,882.40

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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.