Home / 91,870.08-126,782.04-51,592.56

Finding the Fourth Proportional to 91,870.08, 126,782.04 and 51,592.56

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Solution

The fourth proportional to 91,870.08, 126,782.04 and 51,592.56 is: 71,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,870.08 : 126,782.04 = 51,592.56 : x
  2. Step 2: Convert to fraction form
    91,870.08/126,782.04 = 51,592.56/x
  3. Step 3: Cross multiply
    91,870.08x = 126,782.04 × 51,592.56
  4. Step 4: Simplify right side
    91,870.08x = 6,541,010,005.62
  5. Step 5: Solve for x
    x = 6,541,010,005.62/91,870.08
  6. Step 6: Final answer
    x = 71,198.48

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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.