Home / 51,889.08-78,152.55-48,238.68

Finding the Fourth Proportional to 51,889.08, 78,152.55 and 48,238.68

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Solution

The fourth proportional to 51,889.08, 78,152.55 and 48,238.68 is: 72,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,889.08 : 78,152.55 = 48,238.68 : x
  2. Step 2: Convert to fraction form
    51,889.08/78,152.55 = 48,238.68/x
  3. Step 3: Cross multiply
    51,889.08x = 78,152.55 × 48,238.68
  4. Step 4: Simplify right side
    51,889.08x = 3,769,975,850.63
  5. Step 5: Solve for x
    x = 3,769,975,850.63/51,889.08
  6. Step 6: Final answer
    x = 72,654.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.