Home / 56,076.10-84,130.45-18,124.61

Finding the Fourth Proportional to 56,076.10, 84,130.45 and 18,124.61

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Solution

The fourth proportional to 56,076.10, 84,130.45 and 18,124.61 is: 27,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,076.10 : 84,130.45 = 18,124.61 : x
  2. Step 2: Convert to fraction form
    56,076.10/84,130.45 = 18,124.61/x
  3. Step 3: Cross multiply
    56,076.10x = 84,130.45 × 18,124.61
  4. Step 4: Simplify right side
    56,076.10x = 1,524,831,602.64
  5. Step 5: Solve for x
    x = 1,524,831,602.64/56,076.10
  6. Step 6: Final answer
    x = 27,192.18

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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.