Home / 107,507.01-161,263.35-28,621.38

Finding the Fourth Proportional to 107,507.01, 161,263.35 and 28,621.38

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Solution

The fourth proportional to 107,507.01, 161,263.35 and 28,621.38 is: 42,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,507.01 : 161,263.35 = 28,621.38 : x
  2. Step 2: Convert to fraction form
    107,507.01/161,263.35 = 28,621.38/x
  3. Step 3: Cross multiply
    107,507.01x = 161,263.35 × 28,621.38
  4. Step 4: Simplify right side
    107,507.01x = 4,615,579,620.42
  5. Step 5: Solve for x
    x = 4,615,579,620.42/107,507.01
  6. Step 6: Final answer
    x = 42,932.82

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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.