Home / 108,033.30-149,026.05-63,312.66

Finding the Fourth Proportional to 108,033.30, 149,026.05 and 63,312.66

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Solution

The fourth proportional to 108,033.30, 149,026.05 and 63,312.66 is: 87,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,033.30 : 149,026.05 = 63,312.66 : x
  2. Step 2: Convert to fraction form
    108,033.30/149,026.05 = 63,312.66/x
  3. Step 3: Cross multiply
    108,033.30x = 149,026.05 × 63,312.66
  4. Step 4: Simplify right side
    108,033.30x = 9,435,235,634.79
  5. Step 5: Solve for x
    x = 9,435,235,634.79/108,033.30
  6. Step 6: Final answer
    x = 87,336.36

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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.