Home / 56,905.68-85,400.56-27,340.64

Finding the Fourth Proportional to 56,905.68, 85,400.56 and 27,340.64

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Solution

The fourth proportional to 56,905.68, 85,400.56 and 27,340.64 is: 41,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905.68 : 85,400.56 = 27,340.64 : x
  2. Step 2: Convert to fraction form
    56,905.68/85,400.56 = 27,340.64/x
  3. Step 3: Cross multiply
    56,905.68x = 85,400.56 × 27,340.64
  4. Step 4: Simplify right side
    56,905.68x = 2,334,905,966.76
  5. Step 5: Solve for x
    x = 2,334,905,966.76/56,905.68
  6. Step 6: Final answer
    x = 41,031.16

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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.