Home / 108,038.46-162,057.69-29,152.68

Finding the Fourth Proportional to 108,038.46, 162,057.69 and 29,152.68

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Solution

The fourth proportional to 108,038.46, 162,057.69 and 29,152.68 is: 43,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,038.46 : 162,057.69 = 29,152.68 : x
  2. Step 2: Convert to fraction form
    108,038.46/162,057.69 = 29,152.68/x
  3. Step 3: Cross multiply
    108,038.46x = 162,057.69 × 29,152.68
  4. Step 4: Simplify right side
    108,038.46x = 4,724,415,978.11
  5. Step 5: Solve for x
    x = 4,724,415,978.11/108,038.46
  6. Step 6: Final answer
    x = 43,729.02

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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.