Home / 81,184.41-112,039.74-45,375.93

Finding the Fourth Proportional to 81,184.41, 112,039.74 and 45,375.93

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Solution

The fourth proportional to 81,184.41, 112,039.74 and 45,375.93 is: 62,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184.41 : 112,039.74 = 45,375.93 : x
  2. Step 2: Convert to fraction form
    81,184.41/112,039.74 = 45,375.93/x
  3. Step 3: Cross multiply
    81,184.41x = 112,039.74 × 45,375.93
  4. Step 4: Simplify right side
    81,184.41x = 5,083,907,399.46
  5. Step 5: Solve for x
    x = 5,083,907,399.46/81,184.41
  6. Step 6: Final answer
    x = 62,621.72

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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.