Home / 51,506.13-77,155.31-43,162.73

Finding the Fourth Proportional to 51,506.13, 77,155.31 and 43,162.73

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Solution

The fourth proportional to 51,506.13, 77,155.31 and 43,162.73 is: 64,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,506.13 : 77,155.31 = 43,162.73 : x
  2. Step 2: Convert to fraction form
    51,506.13/77,155.31 = 43,162.73/x
  3. Step 3: Cross multiply
    51,506.13x = 77,155.31 × 43,162.73
  4. Step 4: Simplify right side
    51,506.13x = 3,330,233,535.73
  5. Step 5: Solve for x
    x = 3,330,233,535.73/51,506.13
  6. Step 6: Final answer
    x = 64,657.03

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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.