Home / 108,271.77-162,407.66-52,820.25

Finding the Fourth Proportional to 108,271.77, 162,407.66 and 52,820.25

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Solution

The fourth proportional to 108,271.77, 162,407.66 and 52,820.25 is: 79,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,271.77 : 162,407.66 = 52,820.25 : x
  2. Step 2: Convert to fraction form
    108,271.77/162,407.66 = 52,820.25/x
  3. Step 3: Cross multiply
    108,271.77x = 162,407.66 × 52,820.25
  4. Step 4: Simplify right side
    108,271.77x = 8,578,412,939.01
  5. Step 5: Solve for x
    x = 8,578,412,939.01/108,271.77
  6. Step 6: Final answer
    x = 79,230.38

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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.