Home / 91,479.06-126,245.03-56,561.37

Finding the Fourth Proportional to 91,479.06, 126,245.03 and 56,561.37

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Solution

The fourth proportional to 91,479.06, 126,245.03 and 56,561.37 is: 78,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,479.06 : 126,245.03 = 56,561.37 : x
  2. Step 2: Convert to fraction form
    91,479.06/126,245.03 = 56,561.37/x
  3. Step 3: Cross multiply
    91,479.06x = 126,245.03 × 56,561.37
  4. Step 4: Simplify right side
    91,479.06x = 7,140,591,569.68
  5. Step 5: Solve for x
    x = 7,140,591,569.68/91,479.06
  6. Step 6: Final answer
    x = 78,057.12

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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.