Home / 93,408.41-128,906.45-53,127.97

Finding the Fourth Proportional to 93,408.41, 128,906.45 and 53,127.97

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Solution

The fourth proportional to 93,408.41, 128,906.45 and 53,127.97 is: 73,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,408.41 : 128,906.45 = 53,127.97 : x
  2. Step 2: Convert to fraction form
    93,408.41/128,906.45 = 53,127.97/x
  3. Step 3: Cross multiply
    93,408.41x = 128,906.45 × 53,127.97
  4. Step 4: Simplify right side
    93,408.41x = 6,848,538,008.41
  5. Step 5: Solve for x
    x = 6,848,538,008.41/93,408.41
  6. Step 6: Final answer
    x = 73,318.22

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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.