Home / 108,578.61-162,867.96-29,686.86

Finding the Fourth Proportional to 108,578.61, 162,867.96 and 29,686.86

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Solution

The fourth proportional to 108,578.61, 162,867.96 and 29,686.86 is: 44,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,578.61 : 162,867.96 = 29,686.86 : x
  2. Step 2: Convert to fraction form
    108,578.61/162,867.96 = 29,686.86/x
  3. Step 3: Cross multiply
    108,578.61x = 162,867.96 × 29,686.86
  4. Step 4: Simplify right side
    108,578.61x = 4,835,038,327.01
  5. Step 5: Solve for x
    x = 4,835,038,327.01/108,578.61
  6. Step 6: Final answer
    x = 44,530.30

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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.