Home / 76,475.85-114,657.86-51,453.69

Finding the Fourth Proportional to 76,475.85, 114,657.86 and 51,453.69

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Solution

The fourth proportional to 76,475.85, 114,657.86 and 51,453.69 is: 77,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,475.85 : 114,657.86 = 51,453.69 : x
  2. Step 2: Convert to fraction form
    76,475.85/114,657.86 = 51,453.69/x
  3. Step 3: Cross multiply
    76,475.85x = 114,657.86 × 51,453.69
  4. Step 4: Simplify right side
    76,475.85x = 5,899,569,727.23
  5. Step 5: Solve for x
    x = 5,899,569,727.23/76,475.85
  6. Step 6: Final answer
    x = 77,142.91

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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.