Home / 77,567.73-107,049.92-45,742.83

Finding the Fourth Proportional to 77,567.73, 107,049.92 and 45,742.83

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Solution

The fourth proportional to 77,567.73, 107,049.92 and 45,742.83 is: 63,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,567.73 : 107,049.92 = 45,742.83 : x
  2. Step 2: Convert to fraction form
    77,567.73/107,049.92 = 45,742.83/x
  3. Step 3: Cross multiply
    77,567.73x = 107,049.92 × 45,742.83
  4. Step 4: Simplify right side
    77,567.73x = 4,896,766,063.36
  5. Step 5: Solve for x
    x = 4,896,766,063.36/77,567.73
  6. Step 6: Final answer
    x = 63,128.91

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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.