Home / 108,312.23-162,333.05-52,141.91

Finding the Fourth Proportional to 108,312.23, 162,333.05 and 52,141.91

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Solution

The fourth proportional to 108,312.23, 162,333.05 and 52,141.91 is: 78,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,312.23 : 162,333.05 = 52,141.91 : x
  2. Step 2: Convert to fraction form
    108,312.23/162,333.05 = 52,141.91/x
  3. Step 3: Cross multiply
    108,312.23x = 162,333.05 × 52,141.91
  4. Step 4: Simplify right side
    108,312.23x = 8,464,354,210.75
  5. Step 5: Solve for x
    x = 8,464,354,210.75/108,312.23
  6. Step 6: Final answer
    x = 78,147.72

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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.