Home / 56,764.16-85,120.64-17,326.08

Finding the Fourth Proportional to 56,764.16, 85,120.64 and 17,326.08

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Solution

The fourth proportional to 56,764.16, 85,120.64 and 17,326.08 is: 25,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.16 : 85,120.64 = 17,326.08 : x
  2. Step 2: Convert to fraction form
    56,764.16/85,120.64 = 17,326.08/x
  3. Step 3: Cross multiply
    56,764.16x = 85,120.64 × 17,326.08
  4. Step 4: Simplify right side
    56,764.16x = 1,474,807,018.29
  5. Step 5: Solve for x
    x = 1,474,807,018.29/56,764.16
  6. Step 6: Final answer
    x = 25,981.31

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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.