Home / 51,890.08-78,154.06-48,239.68

Finding the Fourth Proportional to 51,890.08, 78,154.06 and 48,239.68

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Solution

The fourth proportional to 51,890.08, 78,154.06 and 48,239.68 is: 72,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,890.08 : 78,154.06 = 48,239.68 : x
  2. Step 2: Convert to fraction form
    51,890.08/78,154.06 = 48,239.68/x
  3. Step 3: Cross multiply
    51,890.08x = 78,154.06 × 48,239.68
  4. Step 4: Simplify right side
    51,890.08x = 3,770,126,845.10
  5. Step 5: Solve for x
    x = 3,770,126,845.10/51,890.08
  6. Step 6: Final answer
    x = 72,656.02

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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.