Home / 62,148.60-85,735.68-42,012.54

Finding the Fourth Proportional to 62,148.60, 85,735.68 and 42,012.54

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Solution

The fourth proportional to 62,148.60, 85,735.68 and 42,012.54 is: 57,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,148.60 : 85,735.68 = 42,012.54 : x
  2. Step 2: Convert to fraction form
    62,148.60/85,735.68 = 42,012.54/x
  3. Step 3: Cross multiply
    62,148.60x = 85,735.68 × 42,012.54
  4. Step 4: Simplify right side
    62,148.60x = 3,601,973,685.43
  5. Step 5: Solve for x
    x = 3,601,973,685.43/62,148.60
  6. Step 6: Final answer
    x = 57,957.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.