Home / 37,102.96-55,652.28-12,159.28

Finding the Fourth Proportional to 37,102.96, 55,652.28 and 12,159.28

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Solution

The fourth proportional to 37,102.96, 55,652.28 and 12,159.28 is: 18,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,102.96 : 55,652.28 = 12,159.28 : x
  2. Step 2: Convert to fraction form
    37,102.96/55,652.28 = 12,159.28/x
  3. Step 3: Cross multiply
    37,102.96x = 55,652.28 × 12,159.28
  4. Step 4: Simplify right side
    37,102.96x = 676,691,655.16
  5. Step 5: Solve for x
    x = 676,691,655.16/37,102.96
  6. Step 6: Final answer
    x = 18,238.21

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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.