Home / 42,168.25-63,262.75-29,712.59

Finding the Fourth Proportional to 42,168.25, 63,262.75 and 29,712.59

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Solution

The fourth proportional to 42,168.25, 63,262.75 and 29,712.59 is: 44,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,168.25 : 63,262.75 = 29,712.59 : x
  2. Step 2: Convert to fraction form
    42,168.25/63,262.75 = 29,712.59/x
  3. Step 3: Cross multiply
    42,168.25x = 63,262.75 × 29,712.59
  4. Step 4: Simplify right side
    42,168.25x = 1,879,700,411.23
  5. Step 5: Solve for x
    x = 1,879,700,411.23/42,168.25
  6. Step 6: Final answer
    x = 44,576.21

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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.