Home / 108,445.86-162,681.91-38,310.82

Finding the Fourth Proportional to 108,445.86, 162,681.91 and 38,310.82

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Solution

The fourth proportional to 108,445.86, 162,681.91 and 38,310.82 is: 57,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.86 : 162,681.91 = 38,310.82 : x
  2. Step 2: Convert to fraction form
    108,445.86/162,681.91 = 38,310.82/x
  3. Step 3: Cross multiply
    108,445.86x = 162,681.91 × 38,310.82
  4. Step 4: Simplify right side
    108,445.86x = 6,232,477,371.27
  5. Step 5: Solve for x
    x = 6,232,477,371.27/108,445.86
  6. Step 6: Final answer
    x = 57,470.86

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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.