Home / 81,476.60-112,465.22-51,312.38

Finding the Fourth Proportional to 81,476.60, 112,465.22 and 51,312.38

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Solution

The fourth proportional to 81,476.60, 112,465.22 and 51,312.38 is: 70,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,476.60 : 112,465.22 = 51,312.38 : x
  2. Step 2: Convert to fraction form
    81,476.60/112,465.22 = 51,312.38/x
  3. Step 3: Cross multiply
    81,476.60x = 112,465.22 × 51,312.38
  4. Step 4: Simplify right side
    81,476.60x = 5,770,857,286.54
  5. Step 5: Solve for x
    x = 5,770,857,286.54/81,476.60
  6. Step 6: Final answer
    x = 70,828.41

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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.