Home / 81,194.66-112,048.32-45,384.70

Finding the Fourth Proportional to 81,194.66, 112,048.32 and 45,384.70

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Solution

The fourth proportional to 81,194.66, 112,048.32 and 45,384.70 is: 62,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,194.66 : 112,048.32 = 45,384.70 : x
  2. Step 2: Convert to fraction form
    81,194.66/112,048.32 = 45,384.70/x
  3. Step 3: Cross multiply
    81,194.66x = 112,048.32 × 45,384.70
  4. Step 4: Simplify right side
    81,194.66x = 5,085,279,388.70
  5. Step 5: Solve for x
    x = 5,085,279,388.70/81,194.66
  6. Step 6: Final answer
    x = 62,630.71

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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.