Home / 57,931.08-86,749.56-48,546.42

Finding the Fourth Proportional to 57,931.08, 86,749.56 and 48,546.42

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Solution

The fourth proportional to 57,931.08, 86,749.56 and 48,546.42 is: 72,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,931.08 : 86,749.56 = 48,546.42 : x
  2. Step 2: Convert to fraction form
    57,931.08/86,749.56 = 48,546.42/x
  3. Step 3: Cross multiply
    57,931.08x = 86,749.56 × 48,546.42
  4. Step 4: Simplify right side
    57,931.08x = 4,211,380,574.58
  5. Step 5: Solve for x
    x = 4,211,380,574.58/57,931.08
  6. Step 6: Final answer
    x = 72,696.39

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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.