Home / 93,738.47-129,361.66-53,458.79

Finding the Fourth Proportional to 93,738.47, 129,361.66 and 53,458.79

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Solution

The fourth proportional to 93,738.47, 129,361.66 and 53,458.79 is: 73,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,738.47 : 129,361.66 = 53,458.79 : x
  2. Step 2: Convert to fraction form
    93,738.47/129,361.66 = 53,458.79/x
  3. Step 3: Cross multiply
    93,738.47x = 129,361.66 × 53,458.79
  4. Step 4: Simplify right side
    93,738.47x = 6,915,517,035.54
  5. Step 5: Solve for x
    x = 6,915,517,035.54/93,738.47
  6. Step 6: Final answer
    x = 73,774.59

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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.