Home / 93,830.41-129,481.14-51,380.74

Finding the Fourth Proportional to 93,830.41, 129,481.14 and 51,380.74

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Solution

The fourth proportional to 93,830.41, 129,481.14 and 51,380.74 is: 70,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.41 : 129,481.14 = 51,380.74 : x
  2. Step 2: Convert to fraction form
    93,830.41/129,481.14 = 51,380.74/x
  3. Step 3: Cross multiply
    93,830.41x = 129,481.14 × 51,380.74
  4. Step 4: Simplify right side
    93,830.41x = 6,652,836,141.84
  5. Step 5: Solve for x
    x = 6,652,836,141.84/93,830.41
  6. Step 6: Final answer
    x = 70,902.78

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1.5x scale

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.