Home / 76,020.77-104,891.26-45,387.91

Finding the Fourth Proportional to 76,020.77, 104,891.26 and 45,387.91

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Solution

The fourth proportional to 76,020.77, 104,891.26 and 45,387.91 is: 62,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,020.77 : 104,891.26 = 45,387.91 : x
  2. Step 2: Convert to fraction form
    76,020.77/104,891.26 = 45,387.91/x
  3. Step 3: Cross multiply
    76,020.77x = 104,891.26 × 45,387.91
  4. Step 4: Simplify right side
    76,020.77x = 4,760,794,317.27
  5. Step 5: Solve for x
    x = 4,760,794,317.27/76,020.77
  6. Step 6: Final answer
    x = 62,624.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.