Home / 108,051.22-162,075.54-28,082.14

Finding the Fourth Proportional to 108,051.22, 162,075.54 and 28,082.14

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Solution

The fourth proportional to 108,051.22, 162,075.54 and 28,082.14 is: 42,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,051.22 : 162,075.54 = 28,082.14 : x
  2. Step 2: Convert to fraction form
    108,051.22/162,075.54 = 28,082.14/x
  3. Step 3: Cross multiply
    108,051.22x = 162,075.54 × 28,082.14
  4. Step 4: Simplify right side
    108,051.22x = 4,551,428,004.86
  5. Step 5: Solve for x
    x = 4,551,428,004.86/108,051.22
  6. Step 6: Final answer
    x = 42,122.87

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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.