Home / 91,308.53-126,003.39-51,022.58

Finding the Fourth Proportional to 91,308.53, 126,003.39 and 51,022.58

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Solution

The fourth proportional to 91,308.53, 126,003.39 and 51,022.58 is: 70,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308.53 : 126,003.39 = 51,022.58 : x
  2. Step 2: Convert to fraction form
    91,308.53/126,003.39 = 51,022.58/x
  3. Step 3: Cross multiply
    91,308.53x = 126,003.39 × 51,022.58
  4. Step 4: Simplify right side
    91,308.53x = 6,429,017,416.53
  5. Step 5: Solve for x
    x = 6,429,017,416.53/91,308.53
  6. Step 6: Final answer
    x = 70,409.83

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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.