Home / 93,353.39-128,839.25-57,047.36

Finding the Fourth Proportional to 93,353.39, 128,839.25 and 57,047.36

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Solution

The fourth proportional to 93,353.39, 128,839.25 and 57,047.36 is: 78,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,353.39 : 128,839.25 = 57,047.36 : x
  2. Step 2: Convert to fraction form
    93,353.39/128,839.25 = 57,047.36/x
  3. Step 3: Cross multiply
    93,353.39x = 128,839.25 × 57,047.36
  4. Step 4: Simplify right side
    93,353.39x = 7,349,939,261.27
  5. Step 5: Solve for x
    x = 7,349,939,261.27/93,353.39
  6. Step 6: Final answer
    x = 78,732.43

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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.