Home / 81,674.33-122,437.51-56,726.15

Finding the Fourth Proportional to 81,674.33, 122,437.51 and 56,726.15

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Solution

The fourth proportional to 81,674.33, 122,437.51 and 56,726.15 is: 85,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,674.33 : 122,437.51 = 56,726.15 : x
  2. Step 2: Convert to fraction form
    81,674.33/122,437.51 = 56,726.15/x
  3. Step 3: Cross multiply
    81,674.33x = 122,437.51 × 56,726.15
  4. Step 4: Simplify right side
    81,674.33x = 6,945,407,803.88
  5. Step 5: Solve for x
    x = 6,945,407,803.88/81,674.33
  6. Step 6: Final answer
    x = 85,037.84

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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.