Home / 81,160.44-112,000.32-45,351.96

Finding the Fourth Proportional to 81,160.44, 112,000.32 and 45,351.96

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Solution

The fourth proportional to 81,160.44, 112,000.32 and 45,351.96 is: 62,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,160.44 : 112,000.32 = 45,351.96 : x
  2. Step 2: Convert to fraction form
    81,160.44/112,000.32 = 45,351.96/x
  3. Step 3: Cross multiply
    81,160.44x = 112,000.32 × 45,351.96
  4. Step 4: Simplify right side
    81,160.44x = 5,079,434,032.63
  5. Step 5: Solve for x
    x = 5,079,434,032.63/81,160.44
  6. Step 6: Final answer
    x = 62,585.10

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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.