Home / 91,764.54-126,649.20-51,494.58

Finding the Fourth Proportional to 91,764.54, 126,649.20 and 51,494.58

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Solution

The fourth proportional to 91,764.54, 126,649.20 and 51,494.58 is: 71,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,764.54 : 126,649.20 = 51,494.58 : x
  2. Step 2: Convert to fraction form
    91,764.54/126,649.20 = 51,494.58/x
  3. Step 3: Cross multiply
    91,764.54x = 126,649.20 × 51,494.58
  4. Step 4: Simplify right side
    91,764.54x = 6,521,747,361.34
  5. Step 5: Solve for x
    x = 6,521,747,361.34/91,764.54
  6. Step 6: Final answer
    x = 71,070.45

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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.