Home / 91,927.80-126,853.55-51,648.28

Finding the Fourth Proportional to 91,927.80, 126,853.55 and 51,648.28

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Solution

The fourth proportional to 91,927.80, 126,853.55 and 51,648.28 is: 71,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,927.80 : 126,853.55 = 51,648.28 : x
  2. Step 2: Convert to fraction form
    91,927.80/126,853.55 = 51,648.28/x
  3. Step 3: Cross multiply
    91,927.80x = 126,853.55 × 51,648.28
  4. Step 4: Simplify right side
    91,927.80x = 6,551,767,669.39
  5. Step 5: Solve for x
    x = 6,551,767,669.39/91,927.80
  6. Step 6: Final answer
    x = 71,270.80

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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.