Home / 57,516.10-86,266.80-42,746.56

Finding the Fourth Proportional to 57,516.10, 86,266.80 and 42,746.56

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Solution

The fourth proportional to 57,516.10, 86,266.80 and 42,746.56 is: 64,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.10 : 86,266.80 = 42,746.56 : x
  2. Step 2: Convert to fraction form
    57,516.10/86,266.80 = 42,746.56/x
  3. Step 3: Cross multiply
    57,516.10x = 86,266.80 × 42,746.56
  4. Step 4: Simplify right side
    57,516.10x = 3,687,608,942.21
  5. Step 5: Solve for x
    x = 3,687,608,942.21/57,516.10
  6. Step 6: Final answer
    x = 64,114.38

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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.