Home / 57,516.16-86,288.56-45,714.46

Finding the Fourth Proportional to 57,516.16, 86,288.56 and 45,714.46

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Solution

The fourth proportional to 57,516.16, 86,288.56 and 45,714.46 is: 68,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.16 : 86,288.56 = 45,714.46 : x
  2. Step 2: Convert to fraction form
    57,516.16/86,288.56 = 45,714.46/x
  3. Step 3: Cross multiply
    57,516.16x = 86,288.56 × 45,714.46
  4. Step 4: Simplify right side
    57,516.16x = 3,944,634,924.58
  5. Step 5: Solve for x
    x = 3,944,634,924.58/57,516.16
  6. Step 6: Final answer
    x = 68,583.07

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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.