Home / 95,238.21-142,731.96-53,138.11

Finding the Fourth Proportional to 95,238.21, 142,731.96 and 53,138.11

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Solution

The fourth proportional to 95,238.21, 142,731.96 and 53,138.11 is: 79,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,238.21 : 142,731.96 = 53,138.11 : x
  2. Step 2: Convert to fraction form
    95,238.21/142,731.96 = 53,138.11/x
  3. Step 3: Cross multiply
    95,238.21x = 142,731.96 × 53,138.11
  4. Step 4: Simplify right side
    95,238.21x = 7,584,506,591.00
  5. Step 5: Solve for x
    x = 7,584,506,591.00/95,238.21
  6. Step 6: Final answer
    x = 79,637.22

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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.