Home / 63,490.90-87,612.70-34,805.96

Finding the Fourth Proportional to 63,490.90, 87,612.70 and 34,805.96

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Solution

The fourth proportional to 63,490.90, 87,612.70 and 34,805.96 is: 48,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,490.90 : 87,612.70 = 34,805.96 : x
  2. Step 2: Convert to fraction form
    63,490.90/87,612.70 = 34,805.96/x
  3. Step 3: Cross multiply
    63,490.90x = 87,612.70 × 34,805.96
  4. Step 4: Simplify right side
    63,490.90x = 3,049,444,131.69
  5. Step 5: Solve for x
    x = 3,049,444,131.69/63,490.90
  6. Step 6: Final answer
    x = 48,029.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.