Home / 76,632.06-105,717.51-55,377.66

Finding the Fourth Proportional to 76,632.06, 105,717.51 and 55,377.66

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Solution

The fourth proportional to 76,632.06, 105,717.51 and 55,377.66 is: 76,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,632.06 : 105,717.51 = 55,377.66 : x
  2. Step 2: Convert to fraction form
    76,632.06/105,717.51 = 55,377.66/x
  3. Step 3: Cross multiply
    76,632.06x = 105,717.51 × 55,377.66
  4. Step 4: Simplify right side
    76,632.06x = 5,854,388,324.83
  5. Step 5: Solve for x
    x = 5,854,388,324.83/76,632.06
  6. Step 6: Final answer
    x = 76,396.07

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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.