Home / 93,505.28-129,042.52-51,067.76

Finding the Fourth Proportional to 93,505.28, 129,042.52 and 51,067.76

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Solution

The fourth proportional to 93,505.28, 129,042.52 and 51,067.76 is: 70,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,505.28 : 129,042.52 = 51,067.76 : x
  2. Step 2: Convert to fraction form
    93,505.28/129,042.52 = 51,067.76/x
  3. Step 3: Cross multiply
    93,505.28x = 129,042.52 × 51,067.76
  4. Step 4: Simplify right side
    93,505.28x = 6,589,912,441.16
  5. Step 5: Solve for x
    x = 6,589,912,441.16/93,505.28
  6. Step 6: Final answer
    x = 70,476.37

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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.