Home / 76,345.42-114,462.77-51,323.40

Finding the Fourth Proportional to 76,345.42, 114,462.77 and 51,323.40

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Solution

The fourth proportional to 76,345.42, 114,462.77 and 51,323.40 is: 76,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,345.42 : 114,462.77 = 51,323.40 : x
  2. Step 2: Convert to fraction form
    76,345.42/114,462.77 = 51,323.40/x
  3. Step 3: Cross multiply
    76,345.42x = 114,462.77 × 51,323.40
  4. Step 4: Simplify right side
    76,345.42x = 5,874,618,273.20
  5. Step 5: Solve for x
    x = 5,874,618,273.20/76,345.42
  6. Step 6: Final answer
    x = 76,947.88

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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.