Home / 91,819.53-126,710.96-51,533.30

Finding the Fourth Proportional to 91,819.53, 126,710.96 and 51,533.30

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Solution

The fourth proportional to 91,819.53, 126,710.96 and 51,533.30 is: 71,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,819.53 : 126,710.96 = 51,533.30 : x
  2. Step 2: Convert to fraction form
    91,819.53/126,710.96 = 51,533.30/x
  3. Step 3: Cross multiply
    91,819.53x = 126,710.96 × 51,533.30
  4. Step 4: Simplify right side
    91,819.53x = 6,529,833,411.88
  5. Step 5: Solve for x
    x = 6,529,833,411.88/91,819.53
  6. Step 6: Final answer
    x = 71,115.95

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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.