Home / 108,038.64-162,057.96-29,152.86

Finding the Fourth Proportional to 108,038.64, 162,057.96 and 29,152.86

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Solution

The fourth proportional to 108,038.64, 162,057.96 and 29,152.86 is: 43,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,038.64 : 162,057.96 = 29,152.86 : x
  2. Step 2: Convert to fraction form
    108,038.64/162,057.96 = 29,152.86/x
  3. Step 3: Cross multiply
    108,038.64x = 162,057.96 × 29,152.86
  4. Step 4: Simplify right side
    108,038.64x = 4,724,453,019.77
  5. Step 5: Solve for x
    x = 4,724,453,019.77/108,038.64
  6. Step 6: Final answer
    x = 43,729.29

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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.