Home / 91,935.90-126,866.79-51,651.36

Finding the Fourth Proportional to 91,935.90, 126,866.79 and 51,651.36

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Solution

The fourth proportional to 91,935.90, 126,866.79 and 51,651.36 is: 71,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,935.90 : 126,866.79 = 51,651.36 : x
  2. Step 2: Convert to fraction form
    91,935.90/126,866.79 = 51,651.36/x
  3. Step 3: Cross multiply
    91,935.90x = 126,866.79 × 51,651.36
  4. Step 4: Simplify right side
    91,935.90x = 6,552,842,242.33
  5. Step 5: Solve for x
    x = 6,552,842,242.33/91,935.90
  6. Step 6: Final answer
    x = 71,276.21

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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.