Home / 108,530.10-162,746.55-49,335.30

Finding the Fourth Proportional to 108,530.10, 162,746.55 and 49,335.30

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Solution

The fourth proportional to 108,530.10, 162,746.55 and 49,335.30 is: 73,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,530.10 : 162,746.55 = 49,335.30 : x
  2. Step 2: Convert to fraction form
    108,530.10/162,746.55 = 49,335.30/x
  3. Step 3: Cross multiply
    108,530.10x = 162,746.55 × 49,335.30
  4. Step 4: Simplify right side
    108,530.10x = 8,029,149,868.22
  5. Step 5: Solve for x
    x = 8,029,149,868.22/108,530.10
  6. Step 6: Final answer
    x = 73,980.86

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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.