Home / 51,739.80-77,663.99-45,854.34

Finding the Fourth Proportional to 51,739.80, 77,663.99 and 45,854.34

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Solution

The fourth proportional to 51,739.80, 77,663.99 and 45,854.34 is: 68,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,739.80 : 77,663.99 = 45,854.34 : x
  2. Step 2: Convert to fraction form
    51,739.80/77,663.99 = 45,854.34/x
  3. Step 3: Cross multiply
    51,739.80x = 77,663.99 × 45,854.34
  4. Step 4: Simplify right side
    51,739.80x = 3,561,231,003.22
  5. Step 5: Solve for x
    x = 3,561,231,003.22/51,739.80
  6. Step 6: Final answer
    x = 68,829.62

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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.