Home / 91,204.66-125,864.54-57,214.57

Finding the Fourth Proportional to 91,204.66, 125,864.54 and 57,214.57

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Solution

The fourth proportional to 91,204.66, 125,864.54 and 57,214.57 is: 78,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,204.66 : 125,864.54 = 57,214.57 : x
  2. Step 2: Convert to fraction form
    91,204.66/125,864.54 = 57,214.57/x
  3. Step 3: Cross multiply
    91,204.66x = 125,864.54 × 57,214.57
  4. Step 4: Simplify right side
    91,204.66x = 7,201,285,534.35
  5. Step 5: Solve for x
    x = 7,201,285,534.35/91,204.66
  6. Step 6: Final answer
    x = 78,957.43

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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.