Home / 51,400.90-77,101.35-49,432.60

Finding the Fourth Proportional to 51,400.90, 77,101.35 and 49,432.60

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Solution

The fourth proportional to 51,400.90, 77,101.35 and 49,432.60 is: 74,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,400.90 : 77,101.35 = 49,432.60 : x
  2. Step 2: Convert to fraction form
    51,400.90/77,101.35 = 49,432.60/x
  3. Step 3: Cross multiply
    51,400.90x = 77,101.35 × 49,432.60
  4. Step 4: Simplify right side
    51,400.90x = 3,811,320,194.01
  5. Step 5: Solve for x
    x = 3,811,320,194.01/51,400.90
  6. Step 6: Final answer
    x = 74,148.90

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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.