Home / 91,957.33-126,897.06-53,720.42

Finding the Fourth Proportional to 91,957.33, 126,897.06 and 53,720.42

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Solution

The fourth proportional to 91,957.33, 126,897.06 and 53,720.42 is: 74,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,957.33 : 126,897.06 = 53,720.42 : x
  2. Step 2: Convert to fraction form
    91,957.33/126,897.06 = 53,720.42/x
  3. Step 3: Cross multiply
    91,957.33x = 126,897.06 × 53,720.42
  4. Step 4: Simplify right side
    91,957.33x = 6,816,963,359.97
  5. Step 5: Solve for x
    x = 6,816,963,359.97/91,957.33
  6. Step 6: Final answer
    x = 74,131.81

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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.