Home / 51,507.46-77,130.51-43,165.54

Finding the Fourth Proportional to 51,507.46, 77,130.51 and 43,165.54

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Solution

The fourth proportional to 51,507.46, 77,130.51 and 43,165.54 is: 64,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.46 : 77,130.51 = 43,165.54 : x
  2. Step 2: Convert to fraction form
    51,507.46/77,130.51 = 43,165.54/x
  3. Step 3: Cross multiply
    51,507.46x = 77,130.51 × 43,165.54
  4. Step 4: Simplify right side
    51,507.46x = 3,329,380,114.63
  5. Step 5: Solve for x
    x = 3,329,380,114.63/51,507.46
  6. Step 6: Final answer
    x = 64,638.79

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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.