Home / 81,184.28-112,033.94-45,374.38

Finding the Fourth Proportional to 81,184.28, 112,033.94 and 45,374.38

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Solution

The fourth proportional to 81,184.28, 112,033.94 and 45,374.38 is: 62,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,184.28 : 112,033.94 = 45,374.38 : x
  2. Step 2: Convert to fraction form
    81,184.28/112,033.94 = 45,374.38/x
  3. Step 3: Cross multiply
    81,184.28x = 112,033.94 × 45,374.38
  4. Step 4: Simplify right side
    81,184.28x = 5,083,470,059.50
  5. Step 5: Solve for x
    x = 5,083,470,059.50/81,184.28
  6. Step 6: Final answer
    x = 62,616.44

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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.