Home / 81,226.07-112,046.96-47,230.81

Finding the Fourth Proportional to 81,226.07, 112,046.96 and 47,230.81

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Solution

The fourth proportional to 81,226.07, 112,046.96 and 47,230.81 is: 65,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,226.07 : 112,046.96 = 47,230.81 : x
  2. Step 2: Convert to fraction form
    81,226.07/112,046.96 = 47,230.81/x
  3. Step 3: Cross multiply
    81,226.07x = 112,046.96 × 47,230.81
  4. Step 4: Simplify right side
    81,226.07x = 5,292,068,442.68
  5. Step 5: Solve for x
    x = 5,292,068,442.68/81,226.07
  6. Step 6: Final answer
    x = 65,152.34

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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.