Home / 108,045.45-162,068.18-29,159.55

Finding the Fourth Proportional to 108,045.45, 162,068.18 and 29,159.55

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Solution

The fourth proportional to 108,045.45, 162,068.18 and 29,159.55 is: 43,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,045.45 : 162,068.18 = 29,159.55 : x
  2. Step 2: Convert to fraction form
    108,045.45/162,068.18 = 29,159.55/x
  3. Step 3: Cross multiply
    108,045.45x = 162,068.18 × 29,159.55
  4. Step 4: Simplify right side
    108,045.45x = 4,725,835,052.32
  5. Step 5: Solve for x
    x = 4,725,835,052.32/108,045.45
  6. Step 6: Final answer
    x = 43,739.33

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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.