Home / 56,896.12-85,345.74-15,343

Finding the Fourth Proportional to 56,896.12, 85,345.74 and 15,343

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Solution

The fourth proportional to 56,896.12, 85,345.74 and 15,343 is: 23,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,896.12 : 85,345.74 = 15,343 : x
  2. Step 2: Convert to fraction form
    56,896.12/85,345.74 = 15,343/x
  3. Step 3: Cross multiply
    56,896.12x = 85,345.74 × 15,343
  4. Step 4: Simplify right side
    56,896.12x = 1,309,459,688.82
  5. Step 5: Solve for x
    x = 1,309,459,688.82/56,896.12
  6. Step 6: Final answer
    x = 23,014.92

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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.