Home / 56,719.12-85,090.98-17,275.20

Finding the Fourth Proportional to 56,719.12, 85,090.98 and 17,275.20

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Solution

The fourth proportional to 56,719.12, 85,090.98 and 17,275.20 is: 25,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.12 : 85,090.98 = 17,275.20 : x
  2. Step 2: Convert to fraction form
    56,719.12/85,090.98 = 17,275.20/x
  3. Step 3: Cross multiply
    56,719.12x = 85,090.98 × 17,275.20
  4. Step 4: Simplify right side
    56,719.12x = 1,469,963,697.70
  5. Step 5: Solve for x
    x = 1,469,963,697.70/56,719.12
  6. Step 6: Final answer
    x = 25,916.55

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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.