Home / 42,122.54-63,162.68-14,032.72

Finding the Fourth Proportional to 42,122.54, 63,162.68 and 14,032.72

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Solution

The fourth proportional to 42,122.54, 63,162.68 and 14,032.72 is: 21,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.54 : 63,162.68 = 14,032.72 : x
  2. Step 2: Convert to fraction form
    42,122.54/63,162.68 = 14,032.72/x
  3. Step 3: Cross multiply
    42,122.54x = 63,162.68 × 14,032.72
  4. Step 4: Simplify right side
    42,122.54x = 886,343,816.91
  5. Step 5: Solve for x
    x = 886,343,816.91/42,122.54
  6. Step 6: Final answer
    x = 21,042.03

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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.