Home / 51,488.96-77,102.72-43,147.04

Finding the Fourth Proportional to 51,488.96, 77,102.72 and 43,147.04

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Solution

The fourth proportional to 51,488.96, 77,102.72 and 43,147.04 is: 64,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,488.96 : 77,102.72 = 43,147.04 : x
  2. Step 2: Convert to fraction form
    51,488.96/77,102.72 = 43,147.04/x
  3. Step 3: Cross multiply
    51,488.96x = 77,102.72 × 43,147.04
  4. Step 4: Simplify right side
    51,488.96x = 3,326,754,143.95
  5. Step 5: Solve for x
    x = 3,326,754,143.95/51,488.96
  6. Step 6: Final answer
    x = 64,611.02

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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.